Have you ever been a smoker? Obviously that's a loaded question, as you clearly haven't and therefore clearly don't know what you're talking about. I'm not being nasty or obtuse, it's just that you clearly have no clue about driving and smoking. It's about as dangerous as opening a window.
Or eating an apple, changing a CD, messing around with your ipod, opening crisps, having an intense conversation with someone next to you, kids dicking about in the rear seats, old blind gits, etc etc the list goes on! Anti smokers will always be the way they are, I don't take any notice although I'm considerate enough not to smoke around people who don't, even if they say its ok.
i don't smoke in my car, my choice, the same goes for my home, again, my choice. I also don't drop fag butts which I know a lot of smokers do, that annoys me as does any littering.
Daft thread this, it was always only going to go one way, a cat fight!