My first proposal was to order some large proportion of the fleet of federal vehicles to park in the SCOTUS parking lots.
Not all crimes are horrible, like assassination. Some are just petty, annoying ways of making it clear how crazy it is to give the President this much power.
We can't do anything about their caseload; it's up to them to decide when to grant cert. I imagine Biden could, however, reassign the entire secretarial staff. Maybe even spend the budget or office supplies on quills and ink, as the Framers intended.
Practicing lawyers seemed to think that Congress taking control of the federal docket or returning to the pre-1925 status quo is never going to happen, but I’m sure some sort of judicial reform will be passed in the next Democratic Congress