The narrative was set long ago—allegations are false, men (especially white men) are oppressed, the people who stand against you are corrupt perverts worthy of demonization, and everything that is the America you know will fall apart if you don't fight for some notion of the way things were and should be again. And the best way to achieve this, since the system will fight back, is viciousness.
https://www.wired.com/story/information-terrorists-trying-to-reshape-america/