@clive They grew big and were widely promoted by institutions because they are employed to justify and rationalize exploitation and abuse. It's no coincidence that psychology is deeply integrated with marketing and propaganda, or that psychiatry can and is used as a means of social control. (TBC, I'm not anti-psychology or psychiatry, it can also be liberatory and inform us about ourselves, I'm just a realist about how it has been used historically and today*"
*Things like forcing addicts into treatment is a repeat of the criminal horrors of the past.