If Taiwan is lost, Japan is next.
"If Taiwan is lost, Japan is next."
Bingo!...don't forget about S. Korea and then the Phillipines, etc. Very dangerous situation brewing.
Or, Southeast Asia. In that case, the whole "can they or can't they handle amphibious ops" cannard become irrelevant. For them, taking SE Asia would be simple blitzkreig - tanks, guns, trucks, TELs, etc.