“The cops should at least grab 10 of these Black Clothes Matter thugs and seriously vet them for their network and source of funds and follow up on that.”
No! They should have been shot. Assault me with a stick and you’ll get shot. Let me see you assault someone with a stick and you’ll get shot.
They are seeking a violent response. Their org needs to be explored all the way to Quality Beer Mug and the soldiers jailed for a few decades. Self defense is fine though.
The obvious and simple solutions are usually the best.