This law will attempt to ban cigarettes. Estimate how many people will buy them and smoke them illegally. The number will not be zero.
Sarcasm aside, if the goal is to reduce consumption, criminalization does work. Repression, though, does come with its own can of worm (an euphemism, yes). It's up to the citizenry and its representatives to decide if the trade-off is worth it.
You know what would really solve crime and drug abuse issues? If we just gave people lobotomies at the age of 16. They will all be nice and complacent and due what they're told by the state.