Notice the use of the disembodied word “violence” as though it is something that descended from the sky out of the blue, like an act of God.
An accurate headline would have been “Leftist Violent Brownshirts Abetted by the Berkeley Police and Government shut down Free Speech.
The SA and the fascist black-shirts would certainly have recognized the tactics on display. But this comes back to the propaganda linking the fascists to the right when they were in fact flavors of socialism.