If that's true then the Portland Trailblazers of the last few years should have been the best team of all time. Isiah Rider, Rasheed Wallace, Damon Stoudamire, Ruben Patterson, Zach Randolph, Darius Miles, Sebastian Telfair, Qyntel Woods, can't get much more 'competitive edge' than that bunch.
Actually his argument was only for football as he cited Ohio State with Maurice Clarett and Nebraska with Lawrence Phillips. And he really said that when you play a violent sport like football, it helps to have players on the cusp/edge of law because they are violent.