First, as people have pointed out you need a high likelihood that tariffs will be high for many years - advanced manufacturing costs a lot to setup and you can’

First, as people have pointed out you need a high likelihood that tariffs will be high for many years - advanced manufacturing costs a lot to setup and you can’t just build factories and hire skilled workers overnight. Second, domestic manufacturers are aware of how much their competition charges. If a Taiwanese part costs $100, the domestic provider is going to charge $98, not $80.