Race Is Emic

Race is an emic, not etic concept. In other words, it is in the minds of the beholders, nor an objective fact.

https://en.m.wikipedia.org/wiki/Emic_and_etic

In anthropology, folkloristics, and the social  and  behavioral sciences, emic and  etic refer to two kinds of field research done and viewpoints obtained:[1] emic, from within the social group from  the perspective of the subject) and etic, from outside (from the perspective of the observer.

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„Die einzige Art und Weise den rassistischen Fimmel anzugreifen, der die Welt heutzutage mitreisst, ist seine angeblich wissenschaftliche Basis zu untergraben“.[105]

Boas, qtd in Friedrich Pöhl, Oswald Spenglers Rassebegriff im Kontext seiner Zeit: Boas, Chamberlain, Lenz, Rosenberg, Sombart