I wasn't one of the Alliance players who was upset about the Horde rebels having a role in SoO. I don't feel like it diminished the Alliance story any to show us working alongside them, I wasn't bothered by seeing Varian's actions at the end of the raid. I thought it was all good and proper.
But frankly, I'm done with the Horde's problems. I play Alliance. I want to see Alliance stories. Horde players should have their stories, too, I'm not saying they shouldn't -- more power to y'all solving that whole issue of inheriting a legacy of murderous psychopathic lunacy from the Old Horde, that's gotta be rough for you -- but I am done. Because Warlords of Draenor has promised me the one thing I've wanted to see since Burning Crusade itself failed to deliver it, and that's draenei. Draenei cities, as they appeared at their height. Draenei culture, not the ruined remnants of it. The draenei we saw in BC were the ragged remnants cast adrift on Azeroth, survivors of a near total extermination. They were the embattled refugees desperately seeking a place to rebuild. I fell in love with them in no small part due to their tenacity and willingness to keep going, but I've always wondered what they were really like before the horrors Ner'zhul and later Gul'dan unleashed upon them at Kil'jaeden's behest. And at last, I'm going to get to find out.