(sorry for my english) As a psychologist I love your post. The first paragraph it's so relevant to understand, when we are discussing "disorders" and not a disease. Epistemology often view as purely theoretical, it's essential for this kind of discussion.
https://en.wikipedia.org/wiki/Eliezer_Yudkowsky https://twitter.com/ESYudkowsky https://www.youtube.com/watch?v=AaTRHFaaPG8 (Lex Fridman Interview)