I don't remember the exact post but I do remember it being in reply to someone asking what was up with the Horde gaining more and more territory and when was something happening for the Alliance. A blizz employee replied saying something along the lines of "its going to get even more bleak for the Alliance but it's during those dark times that true heroes rise and that's when the Alliance is going to make a comeback".
So far this expansion there has been no real Alliance lore outside of a prancing priest prince who wants to look at shiny shit. The Horde still gains ground and the entire storyline revolves around them. Even in being split apart they seem more epic than ever and not weakened. I enjoy both Horde and Alliance story but this is too one sided.
What possible ways could Blizzard make a genuinely interesting Alliance story that isn't just helping with the Horde vs. Horde? I personally would LOVE to see some Alliance troops (whether a renegade section or a fully planned army) take advantage of this Horde disarray and take over/destroy one of the Horde bases to reignite the tension after they're all done hugging and kissing in Orgrimmar.