This, so very much. Though it has been repeatedly denied, there has been evidence all over this expansion that Blizzard's best and brightest are not currently working on WoW. It's understandable that Blizzard's putting a lot of effort into Titan, but the folks they left in charge of WoW have certainly been lacking in certain areas. Cataclysm describes not just the state of Azeroth, but also of WoW's reputation of quality. Mists has to take some drastic steps and succeed on all of them if they want to re-establish the game's footing.

The entirety of the Cataclysm itself was just one massive dropped ball. The only things that have made it through unscathed, or at least not scathed as badly as everything else, was just raiding.
Everything else though? Horrible. Archeology seems to be the best way to some up the entire thing.

Poor Engineers. I just wish Blizzard would make you a class already, so you could be more than just the people with the worthless gimmicky toys.

I'm a Leatherworker. I can make a football to annoy people.