My God, your side is incredibly inarticulate and your reasoning skills are just pathetic.
I think the artheriosclerosis caused by smoking, and other blood vessel damage, are actually reducing the IQs of smokers perceptibly. Read up on this process.
Simply put, I don't YOUR smoke in MY environment. Period. End of story. Smoke yourself to death in private if you want, but not anywhere near me.
There's not even a slightly interesting debate here.