It makes sense to me, there is nothing that any Japan sized military force could do to deter a China sized one, the only lever they can pull is diplomacy and ec

It makes sense to me, there is nothing that any Japan sized military force could do to deter a China sized one, the only lever they can pull is diplomacy and economic pressure. I can also see why Japanese citizens would not want to spend more on a military force to fight in a conflict over Taiwan.