"Single point of failure" means something very specific. System is told to have SPOF if there is a point, attacking which would cause disruption of operations.

"Single point of failure" means something very specific. System is told to have SPOF if there is a point, attacking which would cause disruption of operations. 4channers are ultimate benefactors of 4chan. Talking about SPOF in this context does not make much sense. 4channers were angry because moot has replaced all of moderators, totally changing moderation policies on the website. Their ability to pressure moot were and are limited to voting with legs (8chat) and bitching on boards.