The age gating is a bit stupid, but in the case of cigarettes, I'd be perfectly happy if no one of any age was able to use them, with exceptions for people who are already addicted.
> calorie consumption
Healthy food subsidies and soda/candy taxes. Restrictions on food stamps.
> motorcycle usage
Licensing, training, and helmet requirements, age minimum.
> dangerous hobbies
Licensing and training requirements, often with age minimums.
It'd be great if the government could reduce sedentary lifestyles, but making people do stuff tends to be harder than making them not do certain things.
and yet you can join the army and kill some people before you have the wisdom of age and experience?
It hurts my eyes, I know its bad for my lungs, and its aggravating to see the attractive people doing it to blend it, to me its like they are stuck in the 2000s