They are far more capable of shutting new clusters down AND CONTROL IT. When we send people into quarantine in the West, we plea for them to stay home and everything is trust based because we want to keep our free society. Effectively, only very large local outbreak cases enjoy oversight by authorities.
Taiwan's pandemic game was on point before WHO finally let the rest of the world know about what has been suppressed in China for weeks if not months. Due to China's pressure they aren't part of WHO or UN and had no "official" global way to tell the rest of the world. They did, but were dismissed due to the massive hubris in the West and the geopolitical game China is playing.
SARS 1 is still on everyone's mind in Asia while many Americans outright deny Corona's existence even in July 2020. It's nuts.