Importantly, the divisions are cultural rather than geographical. With the examples you list there's an existing border to trace with a bright red line whereas in the United States our divisions basically reflect electoral gerrymandering.
Arizona exists as a state largely because Barry Goldwater strove to create a conservative paradise there. It's fair to say that the conservative demagogues we have in our south are attempting to repeat the process... but since they aren't starting with an uninhabited hellscape they're tripping over existing demography.
You're right, however, that the Keyboard Kommandoes are definitely making much ado.