Comparing the CCP question with the Ukraine, is "apples and oranges'. Although they cooperate, Putin and Xi, are seeking their own ends.
Of course, if either is to make a move, they likely feel driven to dlo so before hapless Joe leaves office. ..That because so
far as they know, we may be getting Trump again.
Xi has made his move and become emperor..so he may be contemplating some action in the South China Sea..
This 4 min video points out that danger..
https://www.youtube.com/watch?v=XViEZ5HHae4