Marx grasped this essence of capitalist democracy splendidly when, in analyzing the experience of the Commune, he said that the oppressed are allowed once every few years to decide which particular representatives of the oppressing class shall represent and repress them in parliament!
https://www.marxists.org/archive/lenin/works/1917/staterev/ch05.htm
That’s already more than any communist regime allowed, so lesser of two evils and all of that…