Given that many of our current-day subterranean environments are also covered in art and strewn with drug paraphernalia, can we really say that it played a key role in the rise of the civilization?

Didn’t mind-altering drugs like alcohol play a key role in the rise of any civilization?

So if you take a lot of psychedelics you end up with a civilization that ritually murders 20,000 people every couple of months.

Just imagine the power you could wield as a shaman with drugs like DMT and psilocybin it would look like a literal magic