Makes sense. I wonder if you've had a chance to read this article in the Yale Law Review urging a structural reform of the Supreme court not designed to re-balance by ideology but to buffer the court from existential battles in the Senate over every opening. Link: https://www.yalelawjournal.org/feature/how-to-save-the-supreme-court
Mayor Pete mentioned this idea frequently in his campaign, and it was always misrepresented as his willingness to "pack the court." Far from it. I think he was pointing toward a more lasting redesign of the court, so neither side would feel the need to pack the court in order to make it more fair.