It's significantly more complex than that - korea also has a good amount of capacity, as does japan, and the US still has something like 10% of actual capacity

It's significantly more complex than that - korea also has a good amount of capacity, as does japan, and the US still has something like 10% of actual capacity in country, and then US companies control something like 40%. On top of that US companies design an enormous amount of semiconductors, and the materials come from all over the place. The design tools are largely american, a lot of semi conductor equipment is american.