It's simple - Smoking is cool!
It emphasized on your bad-assness, increases your coolness, toughness, dangerousness. Also strongly aclaimed for it's purpose of being a pussy magnet. Smoking reduces stress, fills your body with a very healthy necotine drug.
**Smoking is a very powerful social tool. With a cigarette in your hand you can talk to almost anyone without being shy about it!!***
The only way to get kids to stop smoking is for parents to not put so much stress on their offspring.