Maybe. But you are totally ignoring the trillions of American debt that China holds. The relationship is far more complex than you are trying to make it out to be. While posturing on one hand, they need each other on the other. 

This is why I view Trumph as being so dangerous. He takes a very simplistic attitude to problem solving. While that can feel very satisfying because you seem to revolve the issue in the short term, in the long term you are very often creating monster problems you have just kicked down the road.