Channelled something in his books gets my vote,the artistic mind open for inspiration is on a similar frequency to the mind of a medium open for passing spirit signals.
Also the concept of an ancient watery entity, god, sentient being of some kind that was tamed for the benefit of mankind goes way back, as does primordial chaos.
Whether you choose to see that as the pre-birth human mind, awake and aware of beiung the only thing in all creation (no pain, no checks, no concept of things that are not iteslf) or whether you believe such a thing literally existed spiritually or even physically, it’s found (like the concept of an axis mundi as a gateway to spirit worlds) in so many cultures that denying it just because “fiction” seems a bit strange.
What works, works: we have chaos magick to thank for shaking magick out of its dogmatic slumber there.
I thought it was a bit reckless too but if you check his posts, he’s been doing this for a while and seems to be thriving… maybe letting people innovate as they will, without literal descriptions of derision would be cool, or, shall we all just pick a dogma and mock people until they leave or comply… 
How does childhood trauma shape someone’s life if not through being programmed to believe a certain thing?
We step onto thin ice getting too certain about what’s “real” and what’s not: Is the spirit world real? - #6 by Lady_Eva