Wherever they go, death, destruction and mayhem follow. Their standard operating procedure is to run interference for looters and combatants, who they insist have nothing to do with them.
If you disagree you can eat my ass and then take a helicopter ride. These "people" are not your fucking friends, and they do not like you or respect you. Grow the fuck up and learn to recognize an enemy.
Antifa are the instigators. The means by which the protests spark into a riot by throwing bricks or concrete milk shakes. They also get whites to feel guilty and join in.
BLM provide the army and the crisis. They provide the anthem and the chants by which they march.
They tried in Ferguson. It didn't work that well. Criminals were too easy to pick out and arrest in the crowds.
They really, really needed to have everyone in the general public in masks so that their terrorists could hide within the crowd.