The US does have such a mechanism. There are requirements to be eligible to start that court case and requirements a judge is supposed to examine before they delay the executive decision. I'm guessing some of those requirements weren't satisfied here.
This is with reference to illegal orders. As for unjust orders that happen to be allowed by the applicable laws, that's not a situation the courts can remedy.
This is with reference to illegal orders. As for unjust orders that happen to be allowed by the applicable laws, that's not a situation the courts can remedy.