maybe they're interested in politics and are sick of not being able to have a real debate.
This correctly characterizes many of the Chinese people I met in the United States in 1989 as part of the democracy movement at that time. Many of them were physical scientists or biological scientists or students about to enter those occupations when I met them, but they were deeply interested in politics and organized a "salon" with some very interesting discussions of politics, including guest speakers from newly post-communist Poland and public speeches by democracy movement activists who were able to escape from China after the post-Tian An Men Square Massacre crackdown.
This correctly characterizes many of the Chinese people I met in the United States in 1989 as part of the democracy movement at that time. Many of them were physical scientists or biological scientists or students about to enter those occupations when I met them, but they were deeply interested in politics and organized a "salon" with some very interesting discussions of politics, including guest speakers from newly post-communist Poland and public speeches by democracy movement activists who were able to escape from China after the post-Tian An Men Square Massacre crackdown.