If we can believe their infection figures then i read this as the key part:
“In China, you have a combination of a population that takes respiratory infections seriously and is willing to adopt non-pharmaceutical interventions, with a government that can put bigger constraints on individual freedoms than would be considered acceptable in most Western countries”, adds Poland. “Commitment to the greater good is engrained in the culture; there is not the hyper-individualism that characterises parts of the USA, and has driven most of the resistance to the countermeasures against the coronavirus.” Poland noted that the Chinese accept the notion that disease control is a matter of science. “China does not have the kind of raucous anti-vaccine, anti-science movement that is trying to derail the fight against COVID-19 in the USA”, he said.