99.99% sure a state would get smoked by the U.S. military and have all it's militarily significant resources relocated.
I don't think a state can actually declare ware and if they can, on who?
I'm pretty sure the states in rebellion during the Civil War believed that they could do this but General Sherman had to wake them from their delusions.
I think Flynn is trying to get people horned up about the idea of states using violence against other states or the federal government.
Feeding people a steady diet of this bullshit to consume led to Ashley Babbit getting killed on J6 and it is wrong.