See Mario Taybron; every team has to have a scapegoat, and a guy who makes a percieved mistake often is the one that gets piled on whether its deserved or not.
I agree, if it wasn't for Webb, Coach Snyder might not have gone out a winner. Webb has been the QB when we were winning most often the last few years, however, IMO the issue is when Webb has been bad, he's been really bad. I also would say that he needs some QB run game/option to be successful, and I'm not sure how big a part, if at all, it is going to be next year.
On the "racial, dumb" QB perception, it really is silly. I will say there is simply a different set of decisions made based on the focus of the offense, a running QB still has to make a ton of decisions, they are just different decisions. Also, when you're put into a running scheme and coached into a running scheme, you aren't going to be coached up as much on the decision making in the passing game. It has as much to do with scheme/how you are coached as it does anything. However, I won't deny the sterotype doesn't exist, and it seems to run rampant at times among some K-State fans.