I never have smoked. I think the smell is gross, and if it smells gross it almost always tastes gross. BUT, I don't mind smokers. I have no problem with second-hand smoke, I am smart enough to know that it really doesn't affect you unless you breath it in for hours out of the day, and I think this trend of banning smoking in ANY public place (bars count as a public place? I thought it was a place to poison myself and have anonymous random sex with anyone I can pick up.) is stupid and it just infinges on civil rights, because if you removed the word smoking and replaced it with "Colored, hispanic, jewish, women...etc" and start legally banning them from public places, well....people would be in an uproar about it.
All that said, Fuck no. Unless they pay for it all, they do not deserve any extra care for what they chose to do to their own bodies. It's a choice, if you don't like it, quit. And yes, you CAN quit. It is nowhere near as addictive as it's portrayed, it's just a matter of willpower and if you can't quit then shut the fuck up and go breath from a hole in the throat for the rest of your life.