Soccer (for whatever reason - nationalism, I suspect) and U.S. collegiate sports can really bring it out of people, I'll tell you.
And Game 7 disappointments
And when a popular coach turns out to be a sicko who let his buddy use his job as an assistant coach emeritus to lure in vulnerable children and rape them for over a decade. Please note that they were not rioting over the enabling and shocking lack of welfare for the children, but because said coach was fired for of it.
I don't go to Penn State, I have no connection to the school, and I've never even lived in Pennsylvania, but that was one of the few times in my life I've been ashamed to be an American.
