The only exception was the century of humiliation (1850–1949), or during the imperialism era.
During the Japanese invasion period, the brothers produced more than 20 animated propaganda shorts focusing on various patriotic topics from resistance against Japanese troops, opium and imperialism.
It doesn't just mean cultural exceptionalism; the phrase refers more precisely to the notion that cultural goods should not be subject to the whims of the free market—and should be protected from the homogenizing onslaught of global, and in particular American, cultural imperialism.