Usurping local control is unacceptable and in Trump's case, it's political. The whole voting fraud thing came up again and then this came up, which I don't think is a coincidence.
What does voter fraud have to do with murder in Chicago?
Also usurping local control is necessary when the local and state government are just as ineffectual and downright criminal as they city they are presiding over.
Since 1972, Chicago has prosecuted 30 alderman, 4 governors and a number of city clerks. The Springfield machine has been in a budget stalemate for close to two years because Mike Madigan refuses to put a bill on the floor because he would lose the $107,000 paycheck he receives every year from the Chicago teacher's union. And he can never be voted out because he gerrymanders his district, and that of his colleagues, to ensure their majority. And none of this can ever by prosecuted because the state Attorney General is his daughter Lisa Madigan.
I am a huge proponent of state and local government but I'm also a concerned Illinois citizen who is fed up with the Springfield circlejerk. If Trump thinks he can help without declaring martial law then I'm all for it.