Nicotine addiction is a myth. What isn't a myth, however, are addictive personalities. A vital difference.
I'm not an expert, but I'm almost certain chemical dependency has been confirmed by lab studies.
And as a smoker, you wouldn't want to tell me addiction isn't real at 6 am.
I knew a number of people where their body would wake-them-up in the middle of the night, multiple times, because their body was craving the nicotine and other crap in cigarettes.
It's 2021 (not 1980) and I can't believe people are still creating excuses for the addictive qualities of cancer-sticks.