It's an interesting strategy if you're Taiwan.

https://en.wikipedia.org/wiki/Silicon_shield

Silicon shield is the principle in geopolitical relations regarding Chinese unification that the semiconductor industry in Taiwan is important enough to global economic prosperity that it would deter an attempt by China to seize Taiwan by force, and if not would induce foreign powers, particularly the United States, to defend Taiwan in order to preserve the stability of the semiconductor supply chain.

They also have a factory in Arizona.

Maybe they would make it at the arizona USA tsmc facility?

China is taking Taiwan. Probably in 28.

I mean, Intel also makes high end chips and they do most of that in the US. And it’s unlikely TSMC would run all the other memory producers out of business.