[PapaBear3625]

Within a few years China probably will have the capacity to control both the surface and the air around Taiwan.

How well could China deal with unrestricted targeting of any commercial shipping bringing supplies to China, or taking China's products to market?

[pierrem15]

Not to mention imports of oil and the removal of oil storage facilities near the coast.

The US (plus Japan) has a much superior naval force, and the US would be far less affected by disruptions in trade associated with conflict in East Asia.