How could one change "rules of capitalism"? Capitalism is an idea, if anything's changed it was the system, so the system might have adopted some other ideas - that would be a change.

It's like having a car, disassemble wheels and call all cars useless.

It seems like USA is surprised that concentrating more and more power in few hands leads to corruption and as a cure they want to concentrate more power into hands of few (government) in the name of social justice expecting different outcome than before.