This. The US is no longer the superpower it once was. It is no longer a uni-polar world. The US may be a falling star, but China's wolf warrior diplomacy made it a lonely star. The USA has friends now, powerful friends, friends who we are just now realizing how powerful they have become.
Japan, South Korea, Australia, Taiwan, Vietnam, and the Philippines*.
*ignore the rhetoric and look at the basing map
China's navy will have to contend with shooting it out with multiple foes. Air, land, and sea simultaneously. China's supply lines are exposed. It needs to import coal, oil, food, etc. To secure them China will have break out past the first island chain, pushing back South Korea, Japan, Taiwan, Australia, and the US.