I'm not sure it's really that different. If a fight over Taiwan started, mainland Chinese businesses would also be unavailable to America. Doesn't matter what s

I'm not sure it's really that different. If a fight over Taiwan started, mainland Chinese businesses would also be unavailable to America. Doesn't matter what side of the straight it's on. Now, maybe chipmaking is of more geostrategic importance than later electronics assembly is. It's certainly harder to do. But given how much Foxconn makes, I think losing them would be significant.