Who’s afraid of asking the hard questions?

The call for a Tobacco-Free Generation (TFG) is built on an ambition no one would dispute: fewer adults smoking and fewer families carrying the burden of smoking-related disease. But public policy cannot be judged by the attractiveness of its label. It must be judged by what it delivers in the real world, how it will be enforced, and what unintended consequences it may create

• Sri Lanka should judge public health policy by outcomes, practicality and evidence, not by the appeal of its intentions

By A Special Correspondent

There is broad agreement that smoking should continue to decline. The real disagreement is whether a permanent generational prohibition is the most effective, enforceable and evidence-based route to achieve that goal.

The call for a Tobacco-Free Generation (TFG) is built on an ambition no one would dispute: fewer adults smoking and fewer families carrying the burden of smoking-related disease. But public policy cannot be judged by the attractiveness of its label. It must be judged by what it delivers in the real world, how it will be enforced, and what unintended consequences it may create.

That is the central issue missing from the current debate. The question is not whether smoking should decline. Everyone agrees it should. The question is whether permanently prohibiting tobacco sales to everyone born on or after a particular date is the most effective way to make that happen.

A slow start does not guarantee a successful finish

Supporters argue that the proposal will cause no immediate disruption because those covered by it cannot legally purchase cigarettes today. That may be true in the current status, but the absence of immediate disruption is not evidence of long-term success.

The real test begins when the policy starts separating legal adults by birth year. Two adults standing at the same counter will be treated differently by law, not because one is underage, but because they were born in different years. From that point onward, the restricted adult population grows every year, and the compliance burden grows with it.

How will permanent age verification operate decades from now? How will thousands of retailers manage increasingly complex checks? How will proxy purchasing, informal retail and cross-border supply be controlled? What will enforcement cost, and who will fund it over the long term? These are not side issues. They are the practical questions on which the policy will stand or fall. They are the game-changers that will almost guarantee failure. Sri Lanka already has extremely high cigarette prices making it a smuggler’s paradise, policies such as these will cement the target on the island.

A proposal is not proof

New Zealand is frequently presented as evidence in favour of a TFG. Yet its law was repealed before implementation. Whilst it admittedly cannot be cited as an example of a failure of TFG, it equally cannot be cited as a success story. The only evidence that the New Zealand experience presents is that the Government, regardless of political party, decided that it wasn’t a good idea to go through with. 

There is no real-world evidence from that policy showing an impact on smoking prevalence, no tested record of enforcement over decades, and no demonstrated answer to concerns about illicit trade. Policymakers should draw a clear line between an idea that has been proposed, and reversed, and a policy that has delivered measurable results.

The same caution should apply to every new jurisdiction that adopts a generational model. Passing a law is not the same as proving its effectiveness. The relevant evidence will be whether smoking actually declines, whether legal compliance remains high, whether illicit supply is contained, and whether the policy can survive legal, political and operational scrutiny over time.

Different bans, one common warning

Bhutan and South Africa are often dismissed because their restrictions were broader tobacco bans than a generational sales ban. The policies are not identical, and they should not be presented as if they are. But the comparison raises a legitimate regulatory principle: when legal supply is pushed significantly out of line with continuing consumer demand, unregulated channels may emerge to fill the gap.

A TFG creates a permanently expanding adult population that cannot purchase through legal channels. That may create incentives for proxy purchasing, informal retail, illicit supply and uneven compliance, especially where enforcement capacity is already stretched. Simply saying that past bans were different does not answer whether these risks have been assessed, costed and ruled out in Sri Lanka, in all likelihood- they won’t be eliminated.

The burden of proof rests with the new restriction

Existing age restrictions and a permanent generational prohibition are not the same policy. It is entirely possible for conventional youth-access rules to be effective while further escalation produces diminishing returns or new enforcement problems.

Supporters of a TFG must therefore show more than the fact that age restrictions can work. They must demonstrate that a permanent generational ban will deliver significantly better outcomes than existing measures. They must also show that any additional benefit justifies the legal and operational complexity of treating one adult differently from another solely by date of birth.

Evidence should be tested, not dismissed by source

Concerns about illicit trade should be examined on their merits. If commercial data are inaccurate, they should be challenged with better evidence, not rejected solely because of where they came from. Governments routinely consider customs data, tax data, law-enforcement information, market surveillance, academic research and commercial evidence. A serious policy assessment should test all available information against transparent standards.

The same principle must apply across the debate. Evidence should not become credible or incredible depending on whether it supports a preferred conclusion. The standard should be quality, relevance and verifiability.

Smoking is not a one-tap problem

The familiar bathtub analogy suggests that education and taxation merely slow the flow of smoking initiation while a TFG turns off the tap completely. It is compelling language, but an incomplete description of a complex public health challenge.

Smoking prevalence is shaped by initiation, cessation, product substitution, taxation, enforcement, socioeconomic factors and consumer behaviour. A policy that focuses only on blocking legal access risks overlooking how adult smokers actually move away from cigarettes.

Real-world experience suggests many adult smokers stop smoking not by eliminating nicotine entirely but by switching to less harmful alternatives. Whether policymakers approve of nicotine use or not, the relevant public health question is whether smoking declines and smoking-related harm falls. Product substitution cannot simply be edited out of the analysis because it does not fit a prohibition-first model. Turning off one tap while ignoring how smokers actually move away from cigarettes may lead policymakers to overlook evidence-based alternatives.

The Nordic lesson is about outcomes

Sweden is often criticised for reducing smoking through the continued availability of other nicotine products. But that criticism avoids the key question. If smoking is the primary driver of tobacco-related disease, should the policy objective be the elimination of all nicotine use, or the fastest sustainable reduction in smoking and its harms?

A serious evidence-based debate should examine whether access to non-combustible alternatives has contributed to smokers abandoning cigarettes. The pathway should not be dismissed merely because it does not conform to a preferred ideological model. Public health policy should focus on measurable outcomes.

The United Kingdom proves the need for a wider package

The United Kingdom is also cited as proof that generational prohibition is the way forward. Yet its approach does not rely on a generational sales ban alone. It sits within a broader framework that includes access to nicotine products, retail regulation, underage protection, enforcement, illegal trade measures, cessation support and differentiated treatment of non-combustible products.

That broader package supports a different conclusion: durable tobacco control requires several interventions working together. A TFG cannot substitute for enforcement capacity, effective retail rules, credible cessation pathways and policies that recognise differences in product risk.

Choose the policy most likely to work

Sri Lanka does not need to choose between ambition and caution. It can pursue a smokeless future while still asking hard questions about proportionality, enforceability and evidence. In fact, those questions are essential if the country wants a policy that survives beyond the headline and delivers beyond the first few years.

The strongest path is a comprehensive one: protect the under-aged, enforce existing age restrictions, strengthen action against illicit trade, support cessation, and examine the role of appropriately regulated lower-risk alternatives for adult smokers who would otherwise continue to smoke.

The TFG debate should not be reduced to a contest between those who care about public health and those who do not. The real contest is between symbolic certainty and evidence-based policy. Good intentions matter. But when the consequences will last for generations, good intentions alone are not enough.

The real question is not whether smoking should decline, but which policies are most likely to deliver that outcome in the real world.