"But hey guys, there's this other kind of social order that was also bad!"

I mean, yes? Maybe we should try to build a society that minimizes the amount of work that needs to be done. In order to do that, we have to recognize that capitalists would fight against our efforts, because they profit off of our labor.

And yes, the rulers of a USSR-style authoritarian socialist society would also fight against that kind of change, so maybe let's not go that route.