>>12878544liberal democracy is built on the idea that men are equal
it's a taboo because it goes against liberal democracy, in the same way that heliocentrism went against religious beliefs 500 years ago
if it were accepted, politicians and educators and economists would say "well, I guess Black school get bad grades because they are dumb, nothing to do here, that's the way it is" instead of having fights for more funding or vouchers or reforming education.