1) " And if you watch Rated BG, its dominated by the horde in EU,"
1.6% is hardly "dominating", and it's even closer above 2k btw. In fact the more I raise the cut-off, the closer it becomes, after 2200 - there are more Alliance players on our ladder than Horde. And yes, this is for RBG, please explain. Which lays waste to that entire point; already mentioned Horde prevalent in US - always has been. (There's a really good, obvious answer to this that will explain why, but if you don't get it in your next post; I'll help you)
2) You can't premade an entire team, I don't see how it can accurately measure a region's W/L when it's mixed from game to game.
RDA is banned but I'll answer it anyway, Spanish and Italian players are grouped with EN players, which makes it difficult to say a W/R can speak for an entire subregion.