I’d say Taiwan serves US geopolitical interests beyond just chip manufacturing. It exists as a separate political entity thanks to the US who intervened in the Chinese civil war to protect Chiang Kai-shek’s military dictatorship. The PRC wants to remedy what they perceive as the consequences of foreign interference in China’s political affairs. That enables the US to use their support for Taiwanese independence as leverage in their attempts to suppress China’s economic rise.
I’d say Taiwan serves US geopolitical interests beyond just chip manufacturing. It exists as a separate political entity thanks to the US who intervened in the Chinese civil war to protect Chiang Kai-shek’s military dictatorship. The PRC wants to remedy what they perceive as the consequences of foreign interference in China’s political affairs. That enables the US to use their support for Taiwanese independence as leverage in their attempts to suppress China’s economic rise.