Amy Harmon keeps making mistakes. Right now she thinks that the math establishment must be out to get black mathematicians, since there so few of them. But with an IQ gap, the fraction of a low-scoring group that scores over a high threshold will be significantly lower than the fraction of an IQ-100 group that does so. As you raise the threshold, this disparity becomes larger and larger. While the threshold IQ for being a professional mathematician is about as high as it gets for any profession. Even higher than the threshold IQ for being a reporter.
To be fair, not many people to seem to understand this point. I talked about it some time ago, here.
Reminds me of the school where the math faculty was hiring Argentine Jews to satisfy their Hispanic quota.