Comments by "annoyed aussie" (@annoyedaussie3942) on "‘You think this is normal and ok’: Michael Steele on Trump’s executive order singling out a law firm" video.

It's to cause fear, same reason no other countries not yet targeted are speaking up against Trump's crazy trade war. However citizens in Europe, Australia and NZ who following this are boycotting US products along with Canadians and Mexicans. Outside of China and the US Tesla is looking terrible.
1