How does not smoking result in a "bad life without black lungs"?
It'll lead to a harrowing few months for the person trying to quit. It takes more than a month for "nicotinic" receptors to normalize so those attempting to quit can expect to experience chronic fatigue for this period, sleep deprivation, feelings of depression etc. There's a reason why quitting is so difficult and why there's so much resistance to restrictions on tobacco: to put it simply, it's a nightmarish experience. Those who suggest otherwise are either lying to themselves to appear stoic or to feel better or they've never been addicted to nicotine. I think it's important to understand this because, otherwise, no one will ever understand why smoking rates are persistently high or why there's so much resistance to these proposals.
There's a reason why those diagnosed with cancer of the lung tend to continue smoking before they die, as my grandpa did...