This. At the very least, he could have expanded the SC to 13 and named a bunch of new judges. But nah.

He's an old fart that does things by the book and does them well with mostly good intentions from an outside perspective. He worked within those confines and got shit done in an adversarial environment. He didn't anticipate the fuck-the-book approach that is now allowing trump to flagrantly ignore the constitution.

Had he known he may have reoriented his strategies. But that's hindsight right? Also fuck him for preventing an actual primary and forcing Kamala on the ticket - that was a known bad approach even without hindsight.