Maybe coat hangers will only be used to hang coats. Maybe women have a chance.

Biden should put whoever is the most qualified, regardless of gender or race

When it comes to a position like this, there are so many criteria that you can't really narrow down a single "most qualified" individual. There may be a dozen or more people who are equally qualified, so looking at subjective factors is a normal and accepted thing to do.

Prioritizing representation can be one of them, since a court that doesn't even minimally reflect the country it's supposed to pass judgment on is going to fall short in its ability to view issues from a number of different angles.