How many people would have heard of Eddie Irizarry or Officer Mark Dial, or about the peaceful demonstration after charges against Dial were dismissed, if there had been no riots? Now it's international news.
Parenting guides warn people to be careful that they aren't disproportionately paying attention to their children's bad behavior. Otherwise, even if the attention you give is punishment, you're still encouraging them to do more of the bad behavior.
If the only time an issue gets attention is when powerful people lose money, guess which events are going to keep happening, more and more? And guess which government response to them isn't going to reduce the frequency?