And I believe a huge factor is the fact that marijuana is illegal, so you cross an important legal threshold
I've always thought the "gateway drug" nonsense was, in part, due to the realization someone has that they've been blatantly, bald-fadedly lied to about drugs for most of their life. (DARE bangs on about cannabis like it was injecting heroin and PCP with dirty needles!)
And the next thought from there, naturally, is "Okay, now what else were they making up?
I've always thought the "gateway drug" nonsense was, in part, due to the realization someone has that they've been blatantly, bald-fadedly lied to about drugs for most of their life. (DARE bangs on about cannabis like it was injecting heroin and PCP with dirty needles!)
And the next thought from there, naturally, is "Okay, now what else were they making up?