Earlier quoted context omitted.
We [myself former] are not simply poisoning ourselves for fun. There are a multitude of benefits afforded by nicotine in the short term, including improved focus, reduced anxiety, and of course the habit of a smoke break is great for clearing the mind. Your problem is that you, as you say, equate smoking with poison. That's hyperbolic. One could say the same about sugar, but it would sound just as ridiculous. It's al…
Those short-term benefits are far outweighed by the long-term negative effects, and there are far better ways to enjoy those short-term benefits (there may be a few specific scenarios I am ignorant of, diseases, etc, but I'm sure those are few and far between) The real problem is people selling short-term benefits over long-term consequences.
No, that's not it at all. If that's all it was, then I'd have no qualms or quibbles; that's a choice for each individual to make. The power of the secondhand-smoke argument is that it catapults this debate out of the realm of individual choice. Now those nefarious smokers are harming you, too! They must be stopped!
This is the key you need to unlock smoking bans. You can't get any of that done without the overreach on secondhand smoke.