I have wondered about this. You probably have, too.
"When it comes to the transition itself—not the niceties that surround it—a little-known body of law and practice places important limitations on the amount of damage even a determined outgoing president can do." https://www.theatlantic.com/ideas/archive/2020/10/trump-cant-single-handedly-wreck-transition/616876/
@estherschindler Thank you for this. It's a must-read!