I don't know anything about anything. The only difference between then and now is this: I may know more than I used to but my wisdom pales in comparison to that which I have yet to learn
The middle class in the rich countries is where the political game is being played. They are voting in elections in the U. S. , U. K. , France and Germany. They are working people in the upper part of the global income distribution. They might on average be happy that the Chinese are doing well, but they are not happy that the Chinese are doing well relative to them.