claims that performance on standardized tests is not a measure of competencyThat's mostly an attempt to get around this:
Average US Asian IQ: 105.
Average US White IQ: 99.
Average US Black IQ: 85-90.
Most comments focus on the black-white gap, but the Asian/non-Asian is substantial.
[1] https://www.brookings.edu/articles/the-black-white-test-scor...
[2] https://en.wikipedia.org/wiki/Race_and_intelligence