It’s a delay tactic. Boasberg has clearance to see classified & top secret stuff & does so regularly. He’s the chief judge at the DC federal court FFS.
The longer the all goes on the less likely the deportees will be able to be returned. The ones who weren’t gang members are in very real danger of getting killed in CECOT.
Also while the admin’s actions & their application of AEA is being contested, they’re continuing to deport people by saying nothings been decided yet.