Did you read my post? To have a trade war they would have to be buying from us, too. With the notable exception of Trump’s latest deal they don’t buy much. With trade imbalance like that they have much, MUCH more to lose.
Do you realize how much prices in this county would rise immediately if we somehow stopped or significantly reduced our purchases from China?
And what about the $1.4 trillion U.S. Treasuries the Chinese own?