It's still all a non-event as far as I'm concerned.
They did, but not the way they expected. Blacks are only 15% of the population, and segments of the black population that are opposed to this uncivilized behavior haven't spoken up.
What have we learned? That we should give NO credence to minority concerns, unless they're concerns for all US citizens. Smart conservatives (oxymoron?) could capitalize on this and win almost every election.
Besides this lesson, we've also learned that law-abiding people are on our own in a crisis. And we've learned that it's a real good idea to have a plan B in case chaos erupts. It would happen just about anywhere.