I agree that I don't like seeing excuses made for bad behavior. It makes it look like those in authority condone the bad behavior, and encouraging more bad behavior. And we don't need anymore of that.
I realize Kellen was in a bad place emotionally after the loss, but as a college age athlete, you should have learned enough self-control to not make a bad situation worse by responding like that to a possibly intoxicated fan from the other side. On the other hand, I also hope the Missouri fan learned to be careful what is said to someone who might not be feeling too well after a emotional loss. As one wise person once said, "If you can't say something nice, don't say anything. The face you save may be your own".
On the Oregon-Boise State video (best view of this incident started at 2:05), I liked the way the Boise State coaches immediately pulled back their player after his taunting. And Frost looked good strong-arming Blount off the field. I'm sure both coaching staffs made this incident a "teaching moment" for both teams.
Neither of these incidents needed to happen to make football better.