[Mariner]

"So it is different in this sense, a Federal Judge has guns and jails at his disposal."

Whose guns and whose jails?

Who is going to enforce that ruling? Hector B. Billbob?

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

The only reason any POTUS has acceded to any court is because he chose to.

Read.

[Hostage]

You couldn’t be more wrong and it’s surprising how unaware you are of a judge’s power.

A judge has bailiffs and armed court agents that can cuff and lead parties appearing in court to a jail processing center and such jails are usually connected to the courthouse.

For parties in violation of a court order, a judge has the power to issue a bench warrant for LEOs to carry out. For a federal judge those LEOs could be US Marshals.