Marxism, as a whole the movement realised that agitation along "worker" lines wasn't working. It's very rare to hear workers of the world unite, shed your chains etc.
So now it's focused on class, specifically race and sex, because they are far more effective as a lever against society.
TL;DR
Marxism, as a whole the movement realised that agitation along "worker" lines wasn't working. It's very rare to hear workers of the world unite, shed your chains etc.
So now it's focused on class, specifically race and sex, because they are far more effective as a lever against society.