this summary appears in part 2
Most modern-day leftists in Western countries have abandoned the idea of a violent revolution, having replaced it with "the long march through the institutions" as part of the culture war to transform the society through cultural hegemony. Instead of commanding firing squads, they play mind games of manipulative illusions, in which the demonization of dissent plays a crucial role...
Maintain the perception of being constantly under attack. Don't examine the opponents' beliefs, nor answer their arguments. Discredit any media channels that offer them a platform. Enforce the following media template: the opposition is evil, treasonous, unfathomable, and psychotic. They can't be reasoned with. They are inspired by fascism and financed by a conspiracy of shady oligarchs. Defame their donors. Whatever the mischief you're planning to pull off, accuse them of doing it first; then proceed as planned, describing your actions as a necessary intervention. And ridicule, ridicule, ridicule!
This is what made it easy for Stalin to purge his opponents: by the time he charged them with treason, the orchestrated media coverage had already made them universally hated.