As to unofficial disappearances, here's a short list of the most prominent, imprisoned and threatened for becoming popular and/or critical of the regime:
https://www.theguardian.com/world/2021/nov/19/china-disappea...
Many foreign companies have been threatened too - leading to Google for example leaving the country, Apple's supplier is currently under threat:
https://www.ft.com/content/e6abcb86-1c80-4914-ae54-c7df94d7a...
Finally, they also insert CCP members at board level in companies to control their direction directly: https://www.theguardian.com/world/2019/jul/25/china-business...
As to saying China is more efficient than France, France is a terrible example for efficiency, so that's a very low bar, but at least France isn't a dictatorship and has rule of law, I know where I'd feel safe investing.