Hm, I disagree! I think I share some of your skepticism, in that the fact that a very large fraction of survey users with long-term personality changes report that those changes were positive doesn’t cause me to be confident that I’d believe they were positive, or that a smarter, wiser version of me and others would believe that they’re positive, or that the average member of society would believe they’re positive, etc.
However, “almost useless” seems too strong to me; for me at least, it was still a meaningful update to know that people believed there were long-term changes and that they said those changes were positive and not negative. I’d have been much more concerned if people said the changes were negative (I think false positives of good changes are ore common than false negatives on bad changes) and psychedelics would have seemed lower stakes if there’d been fewer reports of long-term changes.
Also I think a bunch of the other questions have fewer issues related to self-evaluation, since a bunch of the questions are either more objective (“how many times did you trip?”) or explicitly subjective (“did you experience the trip as a positive one?”).
But yeah, I agree that evaluation by others would be really valuable.
Not sure if a single anecdote is worth anything at all, but I am a woman, and I experienced what is legally and culturally considered rape at least twice (arguably 3x), and it really didn’t bother me very much (though I think different versions, e.g. more violent ones or one perpetrated by people I looked up to, would have been much more damaging). One of the people who technically raped me (it was a very drunken screwup with, I believe, no malevolent intent) is still a friend of mine. I feel scared about people finding this out about our friendship, mostly on his behalf.
Notably, I think it was way less traumatizing than several experiences I have had for which I’ve never been able to garner 1/10th as much sympathy; a trusted close friend failing me in a time of need, a painful and embarrassing medical experience, a pet dying.
I share the view of the OP that there’s something off here; I think the combination of a pretty wide range of disparate acts being considered rape/sexual abuse + rape/sexual abuse being considered among the worse experiences a person can have, is pretty unhealthy for the reasons described and some others. I also think it drains social energy from recognizing other kinds of trauma people can experience and helping them with it.