Of course, no one noticed because everyone busy complaining it is a horse.
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Yes, it was a perfect moment for ending the faction war. We just needed Blizzard to move Genn into the backstage and maybe hit Jaina with villain bat, in case they wanted her to come back. Alleria could have been written differently aswell. They could have made her think about her allegiances when she realises who is the warchief.
Now it seems that they want to end faction war for some time but is an horrible execution. It really looks as if they wanted us all to hate the factions so much that we will beg them to remove the factions once for all. The key problem is that not only we will pay the price of horrible expansion(although Zandalar and Kul Tiras were fine) and the new order will be ruled by Alliance.
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That's how the tauren looked like in Cataclysm.