Summary Post (NSFW)
The reason he has all those artists on his shitlist? Because they wouldn't draw certain kinds of NSFW art for him (like dirty hyperdetailed assholes), because they're hypocrites in regards to drawing loli/shota/other NSFW subjects (even if they're not actually hypocrites), or because they are merely associated with the alleged hypocrites even if they're SFW.
This post by him really shows off how much of a no-life autist he really is. He can remember different OCs from numerous drawing threads years ago.

For those not interested, here's a simplified TL;DR: