The permanent damage has been done and ...
That is the administration's goal. "You can beat the rap, but you can't beat the ride" as the saying goes.
They can do anything, and it will take months or years to tell them "No", by which point the action is already done. We have seen this with deportations (and later courts saying "No, bring them back..."), with National Guard deployments (and later courts saying "No, you can't do that..."), with military strikes on foreign nations (and later Congress saying "You should not have done that..."), with tariffs (and now the Supreme Court saying "No, you don't have that authority...") -all well after the fact. And all to no real effect. The damage has already been done.