[Leparamour]

>On the other hand what motive would the average person have to unreasonably hype up things like the healing power of shrooms?

Ego and I'm-better-and-more-enlightened-than-you attitude. You find this very often with cannabis smokers or "ents" as they fancy themselves. Also it's not that hard to find people peddling any type of dubious method : Homeopathy, crystals, acupuncture, Chakra meditation, putting up angel figurines. Often with the same amount of conviction and zealousness.