>> China would be shooting themselves in the foot by invading, because it would equally fuck them. I've read in may places that as soon as China invades, Taiwan will blow up all the fabs and supporting supply lines. So even if China takes control of Taiwan, the semiconductor industry will be a smoldering pile of nothingness.

That sounds incredibly stupid. If China invading is shooting themselves in the foot, then Taiwan blowing up their (worlds most advanced) fabs would be suicide. Nobody ever won a conflict by doing that.