Nor should it. There are actually medical BENEFITS to nicotine. One of which seems to be a reduced risk to Alzheimer's.
Oh for sure. Alzheimer's, ADHD, anxiety/depression. I always trade nicotine for anxiety/depression prescriptions. Every time. You want to know some dangerous freaky addictions ... lol - if I get any say in the matter, I will vape. It's cheaper, and at least I get the cool gadgets and flavors (and in small enough, relatively immediate, doses that I get to control). For me, it is a far cry from being the horrifying addiction that many might like to believe.
They didn't used to understand nicotine's effects on serotonin and other neurotransmitters, but now it's accepted, and I know that this is just something that helps me to function better. I'm not ashamed of it and other people can think whatever they want. I'm not hurting anyone. But it will be harmful to me if I either go back to tobacco or prescriptions so I tend to advocate keeping it an option for adults.