Yeah, old anarchists were outright against it.
Also, campaign implies an organized effort, but these individual murders are anything but. Essentially what we got so far weren't campaigns or even events necessarily, but mere spectacles. Momentary and fleeting, lasting until news cycles stop reporting on it and move on
I find it funny how this question is being asked on Lemmy of all places, where the definition of fascism has been completely lost (essentially now being some vague notion of right-wing evil)