while capitalism is not perfect it's significantly better than communism, which is a total failure

Marxism is what will eventually happen when capitalism loses its ethical core. This is probably why marxism caught on in the US during the era when capitalism turned into monopolism for a short time because of people like Rockefeller and Vanderbilt. . .and now it's big pharm(which Rockefeller had a hand in initially creating) that are the Robber Barons.

You are so correct.