EXACTLY.
Moreover, there is no reason whatsoever that the SCOTUS should look like (sex, religion, etc.) a cross-section of Americans. The whole idea is to get people on the court that are wiser than the average joker, and know the Constitution. Your average joker is (unfortunately) neither very wise, nor sufficiently familiar with the Constitution.
You're kidding right? Political reasons added Thomas, women and wise Latinas to the court.