[saynay]

Potentially quite a lot, although it is hard to tell with how fast they have been moving and the dubious legal claims they have been making to support it.

DOGE is not a department authorized by Congress to exist. Elon's appointment at the head of it was not confirmed by Congress, usurping its right to 'advise and consent' to the executive. All government employees have strict rules they have to follow about conflicts of interest, which Elon's companies many government contracts would put him in violation of. Congress dictates what and how the government spends its money, and the Executive is tasked with carrying that out; Elon has placed himself in the middle of that, and has been saying he will now be the one that chooses how that money is spent. There are many laws in place on how the government is to handle personal information, and there is no indication or oversight of DOGE to verify those laws are being followed. Elon was locking employees out of their workplace, despite having that authority (since he was not confirmed to Congress to be in charge of that department).

There are probably quite a lot of other ones too. A lot of the strategy seems to be moving faster than the courts can keep up.