Alright, you wanted something messy...
CONFESSION #6
"[REDACTED], [REDACTED], [REDACTED]? All suspected alt accounts for a big contest player with an incredible (or incredulous?) hit rate - when their validity was called out in private these 3 accounts mysteriously stopped playing. Coincidence? Follow the voting patterns…."
Right. This was a whole thing a few years ago, I was even part of the "investigation", which involved stuff like IP address checks... a proper to-do. But as juicy as this was, in the end I believe it was debunked.