What is the difference between multiculturalism and ethnopluralism?

Multiculturalism attempts to be universal, and in doing so, no culture is supported---although people privately tend to prefer their own. Ethnopluralism takes seriously the differences in ethnic cultures and groups, enough to allow them to flourish, and preferably in their own territories. Then, as Angelo Codevilla wrote, “good relations” become not ends in themselves but a way to deal with one another in each country, preferably with cooperative competition.

Ethnopluralism is closely harmonious with real human nature, which is not only ethnocentric and often xenophobic, but also in every culture ever studied, human nature included kin-selection, incest taboos, marriage, hierarchy, division of labor, gender differentiation, localism, and group selection as the center of selection. If a culture proposes to not include these things the culture does not last long and eventually returns to these things.

My hope is that one day the separation of powers and states inherent in the United States Constitution will deepen to see states and regions as virtual ethnostates. This might occur in any case with more primitive separations and secessions---personally, I could only agree to doing it legally and conservatively....But our depraved and controlled culture today seems not yet ready to even think about this return to health.