They are pretty useful as an ability catalogue though or just a cliff notes version of what characters do.They are only useful as a springboard for working out what abilities a character might have
Their given levels are hugely subjective, meaning use of them in discussions is unhelpful at best and utter nonsense at worst
My issue is that - means rather than interesting discussions about how powers might work against each other, it instead tends to devolve into statements like
Anyway, talk about these websites [and their many faults] doesn't really relate to this fight - so ahma stop moaning