I think china wants Taiwan’s money more than anything
Communism has an inferiority complex. Taiwan is a threat to the CCP because they are free and prosperous. You have ethnic Chinese citizens who live in a country where they enjoy freedom and a high quality of life in comparison to China.
That is the real threat of Taiwan.
There is one answer and I think if Trump wins a second term we will see a new defense alliance emerge to contain China. China has overplayed their hand since the virus struck and the biggest threat to them now is Donald J. Trump. Why? Because Trump thinks outside the box.
Watch and see.....
Another factor to consider: Taiwan is the legitimate government of all China. Mao's armies chased Chang Kai-Shek's army away, but never destroyed them. They continued in Taiwan. China's CCP knows it is the worst problem in the world, and they aren't even the real government of China.