It's never been about immigration.
And more over, they basically have proved that the law has no sufficient ability to actually enforce court orders on the ground when the administrative branch is firmly on not obeying them. Even worse, the public opinion has been just mildly annoyed by this - by mildly I mean that only some people decided to bring themselves to the streets, separately and only on the weekends or a single day in most cases.
It is a salve for the status wound the dimished social and economic station poor white males found themselves in after the civil rights act and the deindustrialization.
It assumes that "I deserve the benefits I or my family once had because I see someone else that now has them."
It sees the social and economic territory as fundamental limited and wants to secure a living space within them.
And it does so by binding to the state and using the state to create that void so that they can regain what they feel was lost.
It must feel amazing, like psychic fentanyl to see what's going down.
The tens of thousands of detainees aren't being put in hotels... they're going to concentration camps; either in USA where they're forced to work (slavery you might term it, as many (most?) have not broken the law, nor been detained legally); or abroad where the regime's intention appears to be that they die.
The top-down is something like destroying the United States and subjugating what remains, with many foreign interests aligned here - Russia, China, Big Tech eager to create their surveillance society, religious fundamentalists who just want the world to burn so their ideologies might regain relevance, etc.