The trade war is pushing business out of China, but not into America
https://edition.cnn.com/2018/11/16/business/trade-war-us-tariffs/index.html
It shows how insufficient Trump policy is. He seems to be concentrated on one thing rather than overviewing the entire environment.
Even when it comes to trade with Japan, he pointed out how many Japan's cars are running in the United States, and that Japan has to import much more American vehicles.
But, it's just the result of the intercorporate competition between US and Japan. In other words, Japan's automobile companies are producing more favorable cars for consumers than US companies do.
Then, he should have to do is not to cause trade war, but to encourage Japan's auto engineers to work in such US companies.
He should think about what to do for longer time.