Remember kiddies, it's not gay to get your dick sucked by a man as long as the lights are off.
A lot. The ten largest faiths in the world are all polytheistic or potentially polytheistic (and taking by textbook, that one's an atheistic "religion"). Some claim monotheism, but they either have origins in polytheism right down to sharing deities, or their "god" is made up of multiple gods. It's like someone nowadays trying to claim that the only true god is freya.