Well, YC often brags about how they learned to select the right people. So there will be the difference. Also, you are over estimating your ability to detect t

Well, YC often brags about how they learned to select the right people. So there will be the difference. Also, you are over estimating your ability to detect the quality of a startup from public signals. I don't think it is that easy to identify which company will win on a specific sector based on profile of the founders, their twitter, github pages and the product. If YC companies were such an obvious choice for an acceleration, there would be a lot more of YCs around.