If China takes control of Taiwan it would be a strategic disaster for the rest of the world. Building a factory as far away as possible is a great idea for both Intel and TSMC. There is still expertise in the US. Wikipedia has a good list of fans that are still open and those that have been closed. The number in Taiwan is shocking, but you’ll also see many older fabs still running in the US
https://en.wikipedia.org/wiki/List_of_semiconductor_fabricat...