Gaute Godager, former game director of AO and one of the founders of FC 16 years ago, went to work on AoC years ago.
After two other persons, Silirrion (Graig Morrison) became the game director of AO.
Gaute got unhappy with several things in AoC, and finally decided to leave the company.
Silirrion was appointed game director of AoC.
This doesn't question AO in itself.
Means (the mobs maker

(The above is also partially related to some Dragoncon stuff I talked about on the private forums.)