Many ideologies grow up around these false seers. Grace is set aside for the words of the visionaries.
As reality attacks the false visions, grace fails as the people involved ignore Church teaching on these matters. And, as grace and ideologies crumble, people fall into either atheism or gross dualism.
Well, guess what is one of the demons worshiped by the Masons? The pythonic demon. I learned this somewhat recently.
See also my post on "Diabolical Influence" from December 17th, 2014 and January 15th, 2014, on "The Snakes Return".