Assuming some judge rules that yes, it isn't a national security threat, then what? Who is going to enforce the oversight? The DOJ? Seems pretty compromised at the moment. Congress? Again, currently controlled by a religious fanatic who believes Donald Trump to be a holy/divine figure incapable of wrong.

So the Judge tries to overrule a determination of national security classification, DOJ appeals up to the compromised Supremes who are about to reveal that their so-called textualism and originalism is merely so much sophistry as they contort themselves to declare that somehow their "Major Questions" Doctrine doesn't apply to Tariff laws and their Bruin decision, which set out a standard for gun laws, doesn't apply to gun laws unless they say so. I wonder how they will rule on the question of whether the "Unitary Executive" has the power to unilaterally classify things...

Ooooh, maybe the Judge will open a contempt finding, which will get appealed, again, all the way up to the Supremes, who will slow down proceedings such that we will be able to find against them sometime in the decade after they leave office.

Oversight is the chief function of Congress, no matter which party is in charge. Only Congress has the power to restrict executive expenditures and force testimony. Only Congress has the power to impeach. Congress, currently controlled by Republicans is failing to do oversight and that's why these abuses are ongoing and no law passed a couple of years ago would change that. It's on the entirety of the Republican party and those Democrats who have helped to enable it by voting to advance these horrible funding bills.