> Surprisingly, there are a lot of strikes, labour issues, and general unrest in China.

It only surprises people if they consider China as one of:

* A harmonious socialist utopia, or

* A totalitarian dystopia

unfortunately, the US government and mainstream news media are trying to paint China as the latter of the two.

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Also, irrespective of the extent of nationalism in China, western or US imperialism is a thing. Before the 20th century it was literal empires with physical conquest, and these days it is a combination of economic influence and military interventions. Of course it also serves as a convenient excuse and distraction...