There are MANY opinions about this, my general advice to avoid pissing off spirits is to treat them all as distinct personages until told otherwise, and also, treat them as seperate unless they say not to, I say this because it’s what I do and it works, and it seems to me presumptuous to start linking spirits up without their permission into one archetype. But YMMV etc.
That said, in my opinion the answer to your questions is both yes AND no, I posted my experiences to date so far here: