Then we don't disagree that much. I personally believe the advantage in PvP is the main concern of a small part of the equation - not that many people dedicate themselves exclusively to PvP and nothing else to blindly decide with only that in mind and nothing else, the impact of the "everyone is doing it" being much larger... just look at how the main complain isn't "do something, Horde keeps winning in a fair fight," yeah? I'd like to believe good PvPers can balance out superior skill, class choices and group composition to beat people who just rely on racials for an "edge." Because that's what it is at most, an edge, not a sure win, not a Nuke-U button.
Either way, once more, I'm not saying that we shouldn't have reacted faster. I'm not diverting blame or pointing fingers. I'm just reminding that it's a blame shared, by those who didn't react faster and by those who created the need for a reaction. That's just a fact, not an excuse.
The faction imbalance happened because of cattle mentality for the most part. Even people who don't PvP preferred to go Horde simply because the herd was headed that way and it was less troublesome to do that. If that was an isolated case you could call it an "intelligent decision," but when it's a growing flood of the same, it becomes nothing more than "the problem feeding itself." Also, I don't care about "rubbing people the right way," I'm just stating a simple truth.