Has it occurred to you, Destro, that there is a good reason for our fleet to be there, or that people other than Americans might sometimes have less than honorable motives? China does not own the oceans off its shores and it certainly does not own the neighboring countries it routinely threatens. It has a claim of sorts on one potential victim, Taiwan, but the Beijing regime’s right to extend its particular system of exploitation there by force of arms is morally and legally ambiguous to say the least.
The US presence is crucial to maintaining the balance of power in that part of the world. A breakdown in that balance would threaten more than our trade relations, a lot more. It could easily result in open conflict between China and India, a nightmare nobody wants to think about. It has happened before. Sino-Indian war of 1962
Poorly equipped Indian forces were routed in the 1962 war. That defeat was the triggering event for the huge arms build-up in India, a build-up that continues to this day.