Demographic Blueshift will help us:

The huge gap between those who worry about Taiwan/Hong Kong and those who worry about China defending Russia shatters the False Left narrative that the current conflict is about democracy vs autocracy.
The single best move China can make to improve relations with the US is to turn on Russia. The single best move the US can make to improve relations with China is to make clear that so long as China turns on Russia, the US has no interest in preserving democracy in Taiwan/Hong Kong.