To the Chinese Communist Party, the Han ethnic group belongs to the Chinese State, and everything anyone of this ethnic background does is their business.
Edit: Why am I blocked from replying to the below comment?
China forcibly returned nearly 10,000 in overseas crackdown: report
https://www.france24.com/en/live-news/20220119-china-forcibl...
The Disappeared - China’s global kidnapping campaign has gone on for years. It may now be reaching inside U.S. borders.
https://foreignpolicy.com/2018/03/29/the-disappeared-china-r...
Thousands of Chinese overseas forced home involuntarily: report
https://asia.nikkei.com/Politics/Thousands-of-Chinese-overse...
40 Officers of China’s National Police Charged in Transnational Repression Schemes Targeting U.S. Residents
https://www.justice.gov/opa/pr/40-officers-china-s-national-...
China’s abductions of foreign nationals should carry costs and consequences
https://www.politico.eu/article/chinese-abductions-of-foreig...
The US does the same thing and worse, just look for the very long arm of their FBI and Secret Service when it comes to what they allege to be “cyber-crime”. A decade or so ago I was visiting my company’s ISP one morning when I manage to stumble just as some US federal agents were doing their thing among the server racks. I live in Bucharest, Romania.
Examples of Extraterritorial killings and abuses listed (edited for more relevant source)
BTW, before someone screams whataboutism: adjusting your worldview according to facts and applying your moral standards to all countries is not whataboutism. Its a prerequisite to being able to morally condemn any action.