“Activision’s “appeal” process seems to result in the same automated response for everyone, including me: Conveniently, they can’t tell me what caused the ban, and their decision is final.”
He paid $70, never played online, and got permanently banned from the single-player campaign after the game crashed. The appeal is a form letter. Activision won’t say what triggered it. Anti-cheat that can’t explain itself is just a way to keep the money and close the ticket.