They don't apply very effectively to big pharma, do they?
I smoked hand-rolled Sobranie Turkish/Virginia blend when I could afford it, and whatever I could afford, otherwise. For about 20 years.
Nicotine isn't exactly recreational, but it does take the edge off that "too much coffee" feeling. Especially if you've been working more than several hours. And it does sharpen the mind, sort of orthogonal to caffeine. I've had some profound insights after coffee and a cigarette.
On the other hand, there's the fact that quitting is very hard. Harder than opiates. Harder than benzodiazepines. And the long-term health effects, of course, are horrible.