Because the disparity in wealth continues to grow.

People are angry but they have been conditioned (by their rulers) to be angry at the wrong things.

Neo-liberals expect unwavering loyalty from their constituency (you have to call transpeople by the gender they specify even if you disagree with their beliefs), but raising taxes on the wealthy or updating consumer protection laws is never on the table.

Since there is no party of the working class, the disenfranchised workers just flock to whatever party supports their social beliefs.

It’s why fighting the culture war is a distraction from the class war.