That alone appears to render your entire comment moot, but I'll add that all of my comments today have been incredibly consistent: smoking cigarettes is really really really bad and vaping nicotine is really bad (because its addictive, there are longterm implications of inhaling nicotine, ...) - to put it another way, if you smoke combustible cigarettes then you should switch to vaping ASAP. But if you do not smoke combustible cigarettes do not start vaping because nicotine is highly addictive!
PS: equating nicotine to caffeine is incredibly stupid and offensive towards the millions of people that battle nicotine addiction every day.