User blog comment:Rakanishu2199/Best win rate - Blue or Purple team ?/@comment-4636093-20130112134416/@comment-4636093-20130112151353

^That would be just to counteract the blue side taking double golems.

Blue would still have dragon control early game and baron control late game. (In fact even more dragon control considering they would be in a 2v1 advantage in bot lane).