There is no reason to care. There is no reason to give a damn.
The problem is in Chicago, not America
The economy of Chicago relies heavily on trade shows held at the McCormick Center. A sponsor would have to be out of its mind to hold a trade show there, with thousands of attendees possibly exposed to this type of violent behavior. There are lots of other safe, decent, interesting places to hold such shows such as Orange County, Florida, Las Vegas or even Phoenix.
Taleeb Starkes summed up this behavior rather well and called it by it’s proper name.(if you are offended by the “n word” you might not want to read his encyclopedia of this behavior)