Drawing from social comparison theory, people try to compare themselves to people they believe are above them. The reason people are hating on RG3 is that he beats them in most categories: rich, young, athletic, successful, educated. One of the ways they can feel better about their self-worth is...
They're most likely to release on 9/1. Nike tends to like to release multiple shoes on the same day. That way they figure that people who couldn't get the zoom rookies will get buy the other shoes releasing (the 7s, foams, etc) in order to not come out empty handed.