Reading articles like this makes it obvious that Y Combinator is a very special group of people (investors and starters). That being said, I'm always a little s

Reading articles like this makes it obvious that Y Combinator is a very special group of people (investors and starters). That being said, I'm always a little skeptical when one of many groups in a field is supposed to be superior in every single way. My question therefore would be what comes close and how close are they?