It's not sexism or racism, it's just that the computer models for building a lifelike automaton to replace powerful people is exponentially harder with each gender and skin tone you add to the master mold.
Let me suggest Clarence Thomas or J.K. Rowling or anyone else universally hated online by people aged 15-30, who identify as liberal, and come from first-world western backgrounds
Not explicitly, but diversity is an indicator for a broader life experience, which combined indicates greater knowledge.
Picking outliers to make your point betrays the point of this article. No one is claiming that with a diverse committee the results will be guaranteed perfect. That doesn't mean that we shouldn't be allowed to raise an eyebrow at such a potentially incredibly powerful and impactful organ having, statistically, such a narrow field of experience yet making decisions that affect the entire world.