>>518592200
Possibly some are in the anthropological sense but not in the objective sense.
As it pertains to specific history on Earth and the subsequent development of human lore, sure, some of them may fall into the Biblical categories of conceptual angels and demons. But would they still be demons and angels when they step away from Earth? Only to us are they demons and angels; because it says so in our lore and culture; thus to us they are that which we perceive, but only while we see them through that lens.