....it disempowers them all. (Unless you secretly like have the radicals of ANTIFA out there to "shoot the fuck out of those fucksticks" should the chance arise).
I wish you showed even a 10th of this passion against the Islamic extremists who have so much more damage to western civilization. You really need to examine your motives.
Neither violent fringe group is helped if they are both denounced. Your behavior will certainly not prevent me from still denouncing the White Supremacists on the right, but it will also not prevent me from denouncing the violent faction on the Left either.