> I haven't heard of the psychedelic chemist who had a mental breakdown, I think that's a myth. The biggest risk to mental health for a psychedelic chemist is ending up in prison.

Anecdotally I do know someone who had a psychotic episode on psychedelics and spent awhile in recovery. They eventually did recover, but that did make me wary.

As for your point about doses - low doses are hard on chemicals because you don't know what you're getting. Using mushrooms, well dosage varies wildly per gram depending on what you've picked. It wasn't a point about addiction.

I have had great experiences on threshold doses of mushrooms (and experimented on much higher doses of acid in my past), but I do think a healthy amount of caution is generally good.