In one of the most insightful recent articles dealing with race, Scott Aniol argues that White Supremacy and Multiculturalism stem from the same error.
Incidentally, this error is widespread within Evangelicalism. Its repetition in “An Open Letter from Christian Scholars on Racism in America Today” (which, without qualification, linked “white cultural dominance” with “racial injustice”) is the main reason that I could not sign that document, much as I wished to.