He has a point though, and it has been something thats been bothering me with this whole rumor: if the pandarens become a nuetral, playable race (like some think it will be), then how will this effect PVP?
If your in a WSG, and you see someone towering above the rest, its either a dranei or a tauren, if they are short, its a gnome or a goblin, medium sized, human, hunched over a little and its an orc... you get where I'm going with that. If they introduce them as a playable race, for both sides, then its just going to cause problems.

The other option, assuming what I read was spot on (blizz introduces race, class, race,... class?), is that what if its a new class? Ok, well it has to be something unique like a healer, healer, DPS... wait thats been done. Healer, tank, DPS? Been there, done that. What if its a healer, tank, ranged dps, melee dps.... nope, dont want to make a druid 2.0 - one schizophrenic class is to much.

I think (and I didnt come up with this, some other blog did - cant remember which) we are going to be getting our first support class, much like the vanilla shammy was.

Need some help healing? Got it covered. Tank need some help with adds? Got it covered. DPS needs a boost? Got it covered. Obviously this wouldn't be all in one spec, but still... the possibilities are interesting, with the downside being you would never top any charts.

The whole thing reeks of running out of ideas to me, and to be honest, I'm not crazy about having something that was an april fools joke become real, and the pivoting point for an entire expansion. I think this would be better suited content for 1 patch, or 2 if you really wanted to stretch it out. Kind of how TK + Sunwell could be tied together. You attack Kael, you think you kill him, and then you chase him to Sunwell to finish the job + w/e else needs to be taken care of there.