In the 100,000 years of humanity it hasn't been

In the 100,000 years of humanity it has been, most of that time. In the 8000 years of the existence of domination systems we've been moving away from that ideal and not towards it, and for the 300 years capitalism has existed we've been sprinting away from it like it was an apex predator, but it was the norm up until fairly recently on the scale of human evolution. There were even a few generations between the invention of the ox-driven plow and the waves of kurgan invasions where people likely got to enjoy the benefits of agriculture and urbanization without the crushing demands of laboring for the good of an oppressor.

So in your mind causing further injustice to stop an injustice is morally acceptable? You said any means necessary.

Punishing the perpetrators of injustice or violently preventing them from doing further injustice is not an injustice, so your entire point makes no sense.