This is rationalizing rhetoric. Full-on psychedelic drugs are very different from any other psychiatric medicine. Users should know this difference and be prepared to mitigate the risks.

With psych drugs, the most common experience is that user takes them for a few weeks, and reports or doesn’t report some subtle change in their psyche. A bad experience is mostly limited to “didn’t work”. If the drug “doesn’t work” they stop using it and try something else.

With psychedelic drugs, the effect is 100% going to be felt within less than an hour, the effect will be very strong and is guaranteed to be one of the most memorable experiences of the user’s life. A bad experience could easily consist of being rapidly confronted with some deep truths about the user’s self and ego. There is a reason psychedelics have been linked to schizophrenia: https://jamanetwork.com/journals/jamapsychiatry/article-abst...