Driving in SoCal is already crazy enough but you haven’t seen crazy till a Nissan Altima w full tint windows, 7 dents, a broken bumper, and cracked windshield is riding your ass.
Don’t try to provoke them because they WILL hit you or shoot you, so I suggest letting them do whatever they please. Pull over, change lanes, or move out the way and allow them to wreak havoc on someone else who doesn’t deserve it.