The list (which would be a lot shorter if duplicates were removed) strikes me highly speculative, i.e. it is not the result of psychological research done in th

The list (which would be a lot shorter if duplicates were removed) strikes me highly speculative, i.e. it is not the result of psychological research done in that area. It also ignores that a mental state or behavior only counts as a mental disorder when it causes actual suffering in the person: As long as obsessively watching cat videos on mewtube doesn't create any problems in my life, it's not a mental disorder.