Musk's and his actions are illegal, or were illegal mostly before the Supreme Court decided there's some sleezy presidential immunity. The problem is they are so firm and quick at changing the rules of the game that no institution can catch up and, most importantly, generally afraid they would be directly attacked by these fuckers. Some commenters preciously said that it's stupid that most of people who could've challenged or straight up dismissed his executive orders are pussies for resigning or being complicit, but, in their defence, all of their personal data was leaked by Muskrat and he and Trump have a pardoned terrorist cell to carbomb them or whatever. And it's snowballing from department to department, and every new one looks at those who already kneed to the maggot.

All these famous checks and balances were DDOSed and frightened into submission. i don't think they were exceptionally and inherently fragile. it's just the rightwing strategists just got the right guy, the right coverage and the right plan to make it all as easy as break-and-enter with absent homeowners.

I don't think there is a good one. It sounds like this is another one of those things where the rules were mostly relying on the idea that the people wouldn't elect someone who was expected to try to do something like this.

There are laws against it but the Supreme Court gave the president total immunity so all those laws are now void

What is the legal argument against this?

None. We stacked the court with Unitary Executive friendly judges a long time ago.

So do the challenges have a leg to stand on?

John Marshall Roberts has made his decision; now let him enforce it!

“He who saves his Country does not violate any Law.” It's literally in the OP bro.

Well the boards are appointed by the President with Senate approval. The President can also remove a board member at any time. The board members are generally in pretty good control of the agency.

This seems like it is at most an attempt to end run the Senate but likely just an order to establish a liaison office once you parse everything. He's passing all these sweeping language orders but also putting in that they should follow all applicable laws.