Diversity = amount of pigment in skin and proper liberal viewpoint.
That is all you need to know.
I guess diversity of thought isn't germane.
The author indirectly attacks the political aristocracy by attacking the notion that Harvard and Yale yield our ‘best and brightest’ not to mention self perpetuating autocrats.
The author calls out for a more diversified government and that we should steer away from our increasingly single-minded standards of our notion of the ‘best and brightest’.
I can’t find anything to disagree with.