Like you said, there are Echo chambers everywhere in the world. I think it will take a long time to overcome the brutal history of having a different opinion. Also, when information is restricted, opinion forming is always going to be restricted either.
Let's hope that the arrogance about Chinese Food has saved the population from becoming addicted to unhealthy fast food and all the health consequences. The Chinese diet is very healthy - so, they are not that far off with being very proud.