They can't.
Hillary's senior thesis was titled, "There is Only the Fight". The pursuit of revolution, deconstruction, and perversion cannot stop, because the pursuit is what gives meaning to their existence.
At some point, of course, the revolution consumes its children and becomes a Stalinist dictatorship (if you're lucky) or a Pol Pot genocidal regime (if you're not) - but that's how the story ends, without fail.