That stuff makes him sound like a simple farmer seeing flying machines for the first time. Could “demons” be made up from stories of NHI from long ago? Sure. Why not.
But the opposite is not likely to be true.
I think part of the problem with aliens of any nature will be the impact on religion in this world.
‘ I think part of the problem with aliens of any nature will be the impact on religion in this world.’
Religions would merely incorporate aliens into their worldview through some bizarre reinterpretation of a text and claim they were right all along.