Historically, any out group might be accused of conducting secret Satanic ceremonies, and any gathering deemed suspect could be declared a Satanic ritual.
Is Satanism a religion? Short answer: Yes. Longer answer: Yes, buuuut…it’s complicated. Turns out nobody knows what “religion” really means. And that can get scary for some.
Patron sinners are subversives, social critics, revolutionaries, artists, and heretics. In theory any person can be a sinner if they undermine arbitrary authority.
Napoleon once demanded where god is in math. Fundies want to know where he is in Satanism. These are dumb assumptions, but we all make similar errors sometimes.
What does “post-birth abortion” have to do with Satanic Ritual Abuse? Well, neither ever happened, but they got their own moral panic anyway.