Earlier quoted context omitted.
I think there's a Hegelian-esque pendulum to it. Discretionary uses of mind-altering drugs, especially those that have been prominent in youth culture, pop culture and party culture face massive resistance. Look how long cannabis is taking to reach legalization. Look at the barriers to medical scientists who want to study psychedelics. In that sort of environment, it's near inevitable that the remaining "torch bearer…
What is "spiritual use"?
I didn't mean anything too semantically specific. I meant the religious/cultural practices using psychodelic which still exist and the new practices similar to them.
I'm not a hard lines type, so I'll concede a ton of grey area between spiritual, therapeutic and recreational... if that's what you're driving at.