Grand Strategy Has an Implicit Anthropology
2026-09-13 · AI-generated insight
Derbyshire's taxonomy of human-nature theories reads like a philosophy seminar, but Thayer's note shows the stakes are geopolitical: rival powers assess each other's strength through their own implicit theory of human nature.
American multiculturalism is Derbyshire's Culturism translated into policy. If the mind is a blank slate and human nature is infinitely plastic, then a nation needs no particular cultural core — any population can be shaped into citizens, and the mix itself costs nothing, because "culture" is just an environmental input that can be swapped or blended at will. Multiculturalism isn't merely a preference; it's the political cash value of the Boasian premise.
The Chinese perspective Thayer describes rejects that premise wholesale. Reading multiculturalism as "a sickness" implies that cultures are not interchangeable software running on identical hardware — that national strength depended on the specific Anglo-Protestant core, and that dissolving it dissolves the thing that made America formidable. Given the racial essentialism Thayer's broader source documents, the Chinese view sits closer to a hard version of Derbyshire's Biologism: peoples differ, cohesion is rooted in sameness, and a state that denies this is engaged in self-harm.
The interesting twist is that each side's theory of human nature doubles as a prediction about the other's trajectory. If the Culturists are right, America's diversity is a non-event or an asset, and Chinese confidence in homogeneity is brittle chauvinism. If something like the Biologian view is right, the Chinese read on American decline is not propaganda but diagnosis — and it's a diagnosis America's official anthropology makes it impossible to even entertain.
This suggests a test Derbyshire's framing doesn't offer: theories of human nature can be arbitrated not just in the lab but in great-power competition. Two civilizations have, in effect, placed opposite bets on whether Culture or Biology rules. The next few decades of national cohesion — whose society frays, whose holds — will function as a natural experiment on a question anthropologists have argued about since Bastian.