Absolutely. America is trying to portray China as an amalgamation of "occupied territories" (Tibet, Xinjiang, Inner Mongolia, HK etc) and then give impetus to separatism there. This needs to be tackled using all means necessary.
China should abandon non interference in other countries internal affairs policy if a hostile power constantly inferering in China's
China can do enormous damage to the us and it should start by formenting already severe social unrests and health care crisis inside the us
This can be done by reversing the ban on exporting fentanyl and opioid into the us and stop cooperating with america on stopping fentanyl and opioid smuggling
2018 data shows that every day, 128 people in the america die after overdosing on opioids. The misuse of and addiction to opioids—including prescription pain relievers, heroin, and synthetic opioids such as fentanyl— is set to get worse when more people become unemployed due to economic crisis and thus become depressed
China can make that crisis a lot worse by flooding the us with synthetic fentanyl or other highly addictive drugs
Other things that China can do is to publicy condemn america everytime a police officer kills unarmed afro american, expose america double standard, support blm movements politically even financially
Many things China can do to inflict massive damage to the us if it really wants to