[ Is it, though? Are those gods merely humanity's view of what inscrutability should be? They could go down this rabbit hole for ever. ]

It depends on which world. The power balance shifts over time and space. There exists worlds where sentience has never arisen and never will. Do those worlds have gods, too?

[ The answer; he believes, is no. ]

It is very much a chicken and egg question. Who is the true cause of it all, mortals or divinity.