The theorems of mathematics are what distinguishes it from other enterprises and provides us with a degree of certainty of the correctness of our conclusions that would otherwise be unavailable. No number of (Euclidean) triangles measured, however great, would convince us equally well that their interior angles always sum to 180 degrees, nor would any exhaustive search of pairs of integers convince us equally well that the square root of two really is irrational.

By exaggerating the accomplishments of Africans to a lay audience, the article is minimizing the accomplishments of Europeans.