China taking over TSMC control. How, exactly? China isn't looking to invade Taiwan any time soon, unless America puts bases in Taiwan first. And an invasion of Taiwan would immediately result in the destruction of TSMC, thus invasion is not a viable strategy to gain TSMC.

Seems to me like a scenario where a pro-china party moves Taiwan closer to China, until it is essentially re-integrated, is basically inevitable if China continues to grow at its current pace.

The pro-China party lost resoundingly in the last election. The Taiwanese are not keen on being reintegrated.

That is probably next step, but not for the concern of China. It may come from the pressure of government, if EU pushes a little bit. It is extremely hard for China to sneak the TSMC. It is a big ecosystem. The only way to take control is invasion, but that would lead to WWIII and is almost impossible to get the original TSMC. It would be destroyed during war. And, the market would be shared by other companies.