Religion is a man made denomination, which I don't buy into. Besides, most religions now except money from government, or should I say, the tax payer. Which means, they teach what the government says.
He said he read about Satanism, well, I know for a fact, without any doubts, it takes more then a little reading, from a Satanist site, to understand what he might get himself into. And, like the Mafia, once you join (sell your soul) there is only ONE way out, there is no other way.
You're right though. So I will privately pray for him to rethink his position on what a Satanist truly is, and the deception.