With Moscow Mitch obstructing for the next years, the best thing Biden can do to pacify the left and energize Dems for 2022 is eliminate the student loan debt. That's the party's only get out of jail card.
Litigation doesn't do much since Trump and the Federalist Society have completely taken over the federal circuits and the SCOTUSIt’s virtually no blue districts in those deep red states like the dakotas, Wyoming etc... Honestly to prevent gerrymandering Dems going to have to bring litigation