Handwavey political trolling is not what this site is here for. Please don't post like this anymore.

https://news.ycombinator.com/newsguidelines.html

I'm struggling to find even a single thing in your comment that isn't a terrible negative generalization or just plain incorrect.

You beat me to saying it.

People that return from West could also bring change, at least China has the freedom for the citizens to emigrate and study abroad, east european countries were not that lucky.2

Note that until the 80s freedom of emigration was not allowed by the Chinese government. I believe the same was true with Eastern European countries.