I don't smoke, but I don't tell others to stop smoking. It's their lungs, not mine. Does it clog up Hospitals ? Maybe. But I'd be more worried about Drugs and Alcohol. All three leads to disease. But then again, there are Grandmas that smoke all their lives and they are in their 80's.
Each to their own. No one smokes in my house, there are places outside with ash trays provided. Enjoy life
I'm off to play pinball and have a couple of beers