A government system is only good as the governance. In China's case, it is only as good as the CCP dictator. What if the next leader of CCP is corrupt or even worse, incompetent af?
On the other hand, in a democracy that accepts and markets social score is pretty bad as well. This black mirror episode captures the social score society really well https://www.imdb.com/title/tt5497778/
One might say, oh this is just scoring minor misdemeanor-type activity. Misdemeanors are also only as good as the law classifying crime. Here are some weird US misdemeanors https://www.teenvogue.com/story/7-federal-misdemeanors-worse...
I'm no fan of US politics. But I am strongly for the principle that the government serves the people and not the other way around. And in that, I don't want the government )or some bureaucrats) deciding the future of a human.