We’re going to see more of this as diverse groups decide they want an all Muslim Michigan or an all black Detroit. We’re already saying we’d like to separate from the insanely liberal east and west coasts.
I can’t remember which of the founders said it, but the words, in effect were, “We need a powerful external threat to keep us together, to overcome the provincial self interest of individual states.”
If the fate of all the massive hyper-centralized governments is to break up into smaller entities, an Alexander will eventually arise to conquer them.
That is why a federal system is needed with more power given to local governments so people don't feel the need to completely sever all ties to get away from all the busy bodies in the nation's capital.