https://www.nytimes.com/2023/01/12/world/europe/china-outpos...
I am not certain that is necessarily true. At least, not if one is originally from China.
https://www.publicsafety.gc.ca/cnt/trnsprnc/brfng-mtrls/prlm...
As for China not bombing anyone, while true, I believe it's merely a matter of time. While I hope I am wrong, Taiwan seems awfully worried to be located about 80 miles away from their peaceful and loving neighbor for some reason.
The answer is don't place yourself in the crosshairs of great powers in the first place, which then puts into the degree you can align yourself with their interests.
Or from another direction, China has 4x the population of the US, and still has fewer people in prison.
2. There are 'alternative' ways of dealing with suspects and criminals other than prison sentences. And on that note, if China has a lower per capita prison population than the US, then it makes China having the highest rate of capital punishments even worse.