Like it or not, the best thing to happen to help prevent dog-fighting was for Vick to get into it and get caught. Practically no one talked about dog fighting on the national stage before then, no attention was ever brought to it on the national stage.
I don't give two poops about football or the man, but football is no different than any other job out there.. except that it is less respectable than just about anything you need a degree for.
So what if he committed crimes? Who in football these days hasn't committed felonies? (seriously, the whole sport is made up of corrupt bad-guys) He plead guilty to state AND federal charges, and served his time. He shouldn't have to pay for it MORE simply because he is well-known.