The fact that Lor'themar's parting words to Jaina implies that the Horde is about to have a bad time specifically because they NEED to get their shit together before N'Zoth finishes awakening tells me N'Zoth is 9.0.
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I mean they literally cannot make everyone happy. Even if they didn't touch classes at all 50% of the population would be mad they didn't. Best they can do is try to sort through the noise (see: your forum line) and try to find the actual things people miss and try to bring that back.