From a pure design point, he is right.
I know many people LOVE the setting they are comfortable with. However, from every design stand-point it is horrible.
The setting is bloated with different gods, most that are terribly similar. Some may call it variety, designers would say it has unnecessary ornamentation. How many gods of duty, loyalty, and protection do you need between Tyr, Torm, and Helm? Not adding in the several amongst the non-human deities.
Add in, the setting says that gods should not share or over lap portfolios, but that happens all the time. A dozen gods are gods of magic, when there is suppose to be only one god of magic per Ao's decree and a main focus of the setting is on that.
The setting also is pretty offensive to many neo-pagans. 4th Edition is just as bad, but I know I can not stomach seeing a god that I pray to used as a game devise. Its worse that roughly a quarter of these gods are part of my actual faith. I could just imagine the hollering if they added in Jesus of Sembia as a new god of martyrs and rebirth. No one really bats an eye over Ilmater, Tyr, Tyche and others.
If that's true, then equally, I'm sure there's a clutch of neo-Canaanites or Kabbalists out there offended by the use of Mr. Moloch as a forum name. :P