Even with the amount of espionage China uses that's basically a moonshot. Chip manufacturing is truly global. The optics come from this country. The chemicals come from that country. The machines are from another country. The processes are trade secrets of a handful of corporations. They may still do it because it would further their economic dominance significantly. It seems like it would be easier to invade Taiwan and seize TSMC though.
Even with the amount of espionage China uses that's basically a moonshot. Chip manufacturing is truly global. The optics come from this country. The chemicals come from that country. The machines are from another country. The processes are trade secrets of a handful of corporations. They may still do it because it would further their economic dominance significantly. It seems like it would be easier to invade Taiwan and seize TSMC though.