I didn’t say that victims can’t be abusers, nor did I say that he was a hero.

People who’ve done harm need to be prevented from causing further harm, but it’s important to acknowledge the root cause of their behavior if you want to stop future iterations.

I think that the OP is entirely a joke, but that it comes from the very real villain of systemic injustice that pressures us all to lash out. I think one could see the film as inspirational insofar as being inspired to take violent action, but I would hope they direct their aggression towards worthy targets.