IMO American style capitalism is completely broken, but that’s not the only way to run your economy and still call it capitalism. Particularly in the EU area companies don’t always have the upper hand. Consumers and employees have the kinds of rights Americans can only dream of.
Don’t really know much about communism, but clearly USSR didn’t survive, and that may have something to do with the system. ML-people here can probably tell me how China, Cuba and other communist countries are doing today.