I would heavily disagree that smoking only affects them individually. Also, someone with a gambling addiction or other addiction will need support from society.

I would heavily disagree that smoking only affects them individually. Also, someone with a gambling addiction or other addiction will need support from society. That said, I also disagree with the "adult, but not quite" restrictions. Though the US also has its share of weirdness, where you can join the army, get married and have children before being allowed to buy alcohol or visit adult establishments.