He thinks he is succeeding when people become deconverted from formal religion, and doesn't check they they have become reconverted to lesswrongianity.

Really? I get much more of the "have a deliberately built, internally consistent, and concordant with reality worldview" vibe from EY and LW than I do from most of the new atheist movement.

If someone wants to design a rationalist organistation that is free from all the group-level, sociological forces towards irrationality, they are going to have to study some (yech!) social psyhchoogy...I know, soft sciences!

Have you read the Death Spirals and the Cult Attractor sequence?