Insightful deep dive into why commies abandoned the working class: https://newdiscourses.com/2021/01/how-not-to-resolve-the-paradox-of-tolerance/

tl;dw - Commies were wrong and capitalism makes everyones life better. So rather than admit they are wrong they shift their sighs to new targets, blacks, degenerates and gullible women. University trained marxist "activists" keep the grievances of those groups at the forefront of the culture until there is enough unrest to lead to their "glorious revolution".