>>214512062
They would also become wealthy enough to attract large numbers of migrants if they want them

the standard of living in tier 1 cities is already higher than in Taiwan. In case China attacks, Taiwan's best bet will be simply surrendering. This way no infrastructure gets destroyed, unlike in Ukraine.
Compare the fates of Denmark and Poland when Germany attacked

>>214512145
india is unlivable in every way simply due to climate alone but China has lots of land in a temperate climate