I don't pretend to be a WoW fanatic, but I can say with absolutely certainty that the number one biggest demand the just under 10 people I know who play the game have had since day 1 has been Pandarians, and that it is above and beyond the most requested class.
People like Pandas.
Now, they could give us Pandas, and then not dedicate a whole damn expansion to their area that no one gave a damn about.
I mean, they gave us Blood Elves, they'd been pretty much everywhere for awhile. They gave us Worgen, they'd had a big giant wall taunting us for years. They gave us Goblins, they'd pretty much been everywhere anyways(And were in fact blizzards failed attempt at giving us a compelling neutral faction). They gave us space goats...they came from umm, space. None of these had an entire damn expansion dedicated to their area. The space goats came out of nowhere, and they werent and never will be a compelling race.
knowing that, why the hell would they give us an expansion that literally comes out of nowhere.
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"First thing that crosses my mind: I didn't get any GameFAQs Karma yesterday." Math Murderer after getting his appendix removed.