Western economic thinking believes in comparative advantage, but they never imagined they would be on the side of being only good for primiary resources with nothing else to offer.Agreed
But on a practical level, if China can produce everything better and cheaper, what does China actually need to buy from overseas?
And in order to make overseas products cheaper than Chinese products, you have to make the RMB overvalued.
That would imply the RMB has to double in value against the USD, which would take a decade if managed gradually.
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The other solution is for Chinese companies to open factories abroad and produce locally, so China does export less.
Given how automated factories are these days, it shouldn't make much difference in job numbers.
But then you have political risk with factories located elsewhere, so you want to locate these factories in friendly locations.
Its ultimately an identity problem, comparative advantage doesnt actually say all parties will be equally wealthy, and the west is struggling to come to term with the fact that they have no more to offer the world comparatively than Africa, and as such will, through trade, converge to their natural living standard thats equal to Africa, from both directions.
Whats actually unsustainable is for a western country who sells rocks to be more wealthy than an African country selling rocks.