I haven’t used psilocybin in a clinical setting but have gone through an alternative psychedelic-assisted therapy process. Very interesting results and many positives.
I've not tried that stuff since money is hard to come by these days. There have been a few human studies.
You can find more info here:
https://pubmed.ncbi.nlm.nih.gov/?term=bacopa+monnieri+cognit...
and here:
You perceive the idea as great not because you suddenly understand it better or know more. You think the idea is great because of the dopamine flooding your brain. And much like Dunning-Kruger, even thought you might think you did better, real world results don’t match your expectations.