I developed a fondness for horror movies fairly recently, but they are rife with tedious cliches that are neither interesting nor scary, which I simply cannot abide. The impetus for this joke was the realization that unlike serial killers, "crazy guys", etc- 'Satanic cults' literally don't exist. There are dangerous cults, sure; but those are almost always tied to some pseudo-Abrahamic religion. No one actually wants to see themselves as evil, so selling the Dark Lord really only works edgy teenagers, who won't actually take it seriously. The closest thing we actually have to satanic cults? Two totally embarrassing atheist role-play clubs. Hopefully, enough people are familiar with them for the joke to land.
There are a couple things I didn't get a chance to explore in this comic, at the risk of it becoming more of a rant than a funny joke. (The bonus panel helped with that). One was a joke about how you could probably make a much more interesting horror movie if you just embraced this fact and made a horror movie about the Flying Spaghetti Monster or something (Franken Fran sort of did this in one chapter). The other was the fact that the 'realest' satanists you can get are probably Black Metal people, who I doubt actually believe in demons either. But at least there is some real history to work off of!
Yawn! Better movies, please!