Taiwan is of strategic interest to US. A CCP invasion and take over of Taiwan would be a massive blow to our country. Not just because of all the advanced chips that we need and don’t make here, but because of the geopolitical pressure the China would then put on Japan, Philippines, Australia, Malaysia, South Korea and key global sea routes.
And if China makes the same threats as Putin?
https://www.thesun.co.uk/news/17785413/putin-nuclear-forces-alert-russian-troops-ukraine-speech-2/
Fold a second time?