Plenty of reasons. To begin with, seeing how biased the Western media are when they report anything related to China is both appalling and disappointing. The impression of what average American has about Chinese government, Chinese people and their relation is light years away from reality.
Moreover, people immigrating to US from China tends to be more pro-democracy than average Chinese, but we got disillusioned after seeing how things worked out in American politics.
The life here is quite unsatisfactory for lots of Chinese, as there are many aspects of China making it a better place to live in compared to US. Can't speak for other people but frankly if I could have got a job with similar pay and similar workload in China, I wouldn't even hesitate for a second that I'd move back.
Out of curiosity, when you're talking about "Western media" do you mean only US-based outlets, or do the European outlets (excluding the English rags) have the same effect?
For me I was reading the Economists (through my uncle who works in publishing) in China since high school. My American foreign language teacher told me it’s too conservative. FWIW, it almost has the same effect
we got disillusioned after seeing how things worked out in American politics.
What parts of American politics disillusion you? And why do you think the USA should necessarily be the example? Do the criticisms you have of the USA also apply to other democracies, like the Democratic socialist countries in Europe? If not, why do you think they would constitute an effective argument against Democracy? "The USA has problems" is not an argument against Democracy.
Speaking from my own experience, it is probably because it is the US. If I were more exposed to say France or Germany instead, which at least to me seem to be less hypocritical, especially on international politics, I think I'd feel weaker nudging to be more pro Chinese government.
This is actually a relatively common thing. When people immigrate to a place that generally treats them like a foreign entity, they are more likely to strongly identify as that entity.
Moreover, people immigrating to US from China tends to be more pro-democracy than average Chinese, but we got disillusioned after seeing how things worked out in American politics.
The life here is quite unsatisfactory for lots of Chinese, as there are many aspects of China making it a better place to live in compared to US. Can't speak for other people but frankly if I could have got a job with similar pay and similar workload in China, I wouldn't even hesitate for a second that I'd move back.