If dead bodies of space aliens have really been discovered in crashed UFOs, they cannot be demons.
You don't think that any alien who has visited this world perhaps they where stranded here or even banished, saw the primitive people and demanded to be worshiped as gods?
Author C clark said any sufficiently advanced technology is indistinguishable from Magic to a lessor race of people. You do not think our forefathers didn't mistake advanced tech as miracles, signs/wonders?
