The CCP isn't a tremendously controversial issue in the US (the consensus against it is strong and bipartisan), so it's hard to see how it could become the central issue of the election.
Some core Trump advisors like Peter Navarro (author of "Death by China" and the associated documentary) believe in economic decoupling far more deeply Biden advisors.
I agree some Democratic leaders like Chuck Schumer are hawks on China, but a Biden administration would be far less hawkish on the CCP issue than Trump.
I can see Trump using the 'nuclear option' and cutting off Hong Kong's ability to conduct transactions in US dollars (fatally killing the Hong Kong economy and deeply damaging China's, and far less so America's). I can't see Biden doing that.
Job done.