That firewall isn't going away anytime soon. Americans are inundated with a deluge of foreign influence campaigns from a variety of foreign powers and no way China wants that pain revisited upon themselves.
The wall always had two functions, the obvious blocking from getting people in, but it also blocks from getting your people out
As China develops and becomes richer eventually the idea of moving from Shanghai to New York no longer looks as attractive.
1) https://www.atlasobscura.com/articles/china-is-banning-eroti...