Not so, smoothy, many are hooked as teens, when they aren't thinking of consequences. Your analogies are stinking thinking and it is that sort of thinking that has made US the biggest jailer in the world, their only growth industry at the moment. No one who commits a crime against society is innocent but people who commit a "crime" against themselves aren't in the same class.
Do you understand why people do drugs? It says a lot about the conditions they live in.
Do you think other societies don't have the same availability of drugs? Truth is they are freely available everywhere, but the take up rate is different and it has to do with the structure of society and a society that plays the blame game doesn't have the answers and the incarceration rate proves this