I just thought of this yesterday. I believe what POTUS is doing is putting all of these rules in place now, or at least enforcing laws already on the books and he is goading the deep state into suing his admin about the unconstitutionality of all of those laws and getting rulings in his favor so that when he wins reelection, there will be nothing stopping him from rounding up and deporting millions of illegals. He is getting the legal legwork done in this 4 year term and in the second 4 year term, bye bye illegals.