Well, actually, I don't. At high levels of play, white does win more often than black, which points to an imbalance of sorts [1]. But if the SC2 patches were frozen right now, and the game enjoyed 500 years of popularity, with reams of books written by top minds throughout the ages about analysis of the game, do you really think that there would not be one race that would come out ahead? I find that to be implausible. [1]: https://en.wikipedia.org/wiki/First-move_advantage_in_chess