Attached is the video in which the self-host narrates the importance of TSMC in the triangular relationship among Mainland China, America, and Taiwan, a popular science and in-depth analysis as well.

https://www.ixigua.com/7184117695233655296?logTag=f3ce19261d8ef685e4e7 

As I see it, the conclusion for China Mainland is: "To forge something from iron, a blacksmith must be strong enough himself."