[–] AnotherGrayman 0 points 1 point 1 point (+1|-0) ago (edited ago)
It's really not, though, and that's why they're considered different disorders, because differently disordered psychological profiles require different understandings to treat.
You can't stop somebody from obsessing over something just because you understand "obsession" as a concept, you have to understand how their obsession works and why.
You're doing that Dunning-Kruger Effect thing where you're overconfident in your presumed understanding because you aren't seeing the nuance you're missing, so you don't think there's any nuance and that the professionals are just dumb.