You need to look at the big picture. China and USA are at the start of a decades long struggle for supremacy. Deliberately provoking, insulting and antagonising your closest allies is extremely dumb. To be honest, I'm not sure USA under Trump has the patience or the stomach for it anymore. Try reading the conclusion to this briefing. A brief quote below:
The challenge in the opening phases of diplomacy with China is to keep Beijing uncertain—neither reassuring it nor driving it to despair.
www.brookings.edu