Personally, I have no objection to having a black woman on the court but I do think that the importance of the job would demand that you treat the role as being exclusive to the tippity-top candidates in the country - genius, wunderkinds that blow away all others in some way.
At the foundation of responsibility for Supreme Court justices is the need to recreate the founders of the nation and the framers of the Constitution, and that means being able to summon the spirits of George Washington, Alexander Hamilton, John Locke, etc. into your mind and have them duke it out to fill in a gap or boot legislation where it conflicts with the basic ideology of our creation.
The role doesn’t call for some functionary who can recite prior court decisions, it’s for a person who is a historian, enlightenment era philosopher, pragmatist, and patriot with those second and third elements being often overlooked keys that really reduce down your viable options.
Arguably, the people at the top of the Judicial system are the least likely to be satisfying options for the role since your duty there is to obey the Supreme Court and preserve precedent - never to question it - not to dive into the weeds on the foundation of it all.
I have no particular reason to think that there isn’t a black woman who would be the ideal candidate but I do expect that we’re not going to get someone worthy of the role, because the goal will be to find a top level judge who subscribes to something like “living document” theology, and not to find a philosopher that looks at the laws with skepticism.
I don’t believe, for example, that a person with an eye on the underlying motivations of the country would rule in favor of gerrymandering or laws that force electors to vote in a certain way. These make no sense for a government that is meant to be the chosen of the people rather than a government that chooses its people, and when the historic purpose of the electoral college is expressly to avoid the popular will and to empower a more reasoned and skeptical body to choose the most powerful person in the country.
I don’t think we’re going to get that with Biden’s pick. I don’t know that I fault him for that, though, as I wouldn’t really expect that from any pick by any President who is in vogue with the parties.