The Chinese Communist Party has brutalized its people, become an existential threat to other countries and is destroying the planet in more ways and on a larger scale than any other nation state. Nevertheless, the CCP has stayed in power for over 75 years, and after all the disaster's it's withstood, it's not clear what could make it fall. That said, there is one thing the US could do that could go a long way in making the CCP lose legitimacy in the eyes of the people.