I can't count the number of times I have seen Chinese people abroad having their family back at home punished for criticizing the CCP or taking other stances that the government oppose.
Doing a quick search, I found several articles detailing how this is becoming more common, with this story being the first one I recalled as the video is nauseating:
https://www.voanews.com/a/east-asia-pacific_china-tries-muff...
"Editor’s Note: China’s government is expanding its censorship controls by targeting Chinese citizens overseas who criticize Beijing on social media. The pressure tactic is called “zhulian” – an ancient punishment meaning “guilt by association.” It usually involves police threatening family members in China for the actions of their relatives overseas.
This happened to “Zoo” (short for @HorrorZoo, her main handle on Twitter), a Chinese student pursuing graduate studies in Australia, whose father has been repeatedly summoned to the police station because of her criticism of Chinese Communist Party leaders on social media.
But instead of censoring her Twitter account, “Zoo” has become more outspoken, providing multiple videos of police intimidating her via video chat. Her story provides a rare look at how China tries to use the families of dissidents to silence them."
Another instance:
https://www.rfa.org/english/news/china/overseas-chinese-1021...
"Police in Beijing have contacted the family of a Chinese student studying in the United States after he expressed support online for the "Bridge Man" protester, who unfurled banners on a Beijing bridge calling on ruling Chinese leader Xi Jinping to step down on the eve of the 20th Communist party’s congress."
I'm sure I could find hundreds of these - it has nothing to do with loyalty, and everything to do with external sources of pressure and coercion.