No shit, Nifty. That was my point. It won't be you, so what are you really saying here, Nifty? "Go kiddies! Kill yourself for my benefit!!!"? Who are you advising to fight this fight of division?
Anyone who has been around divorces in the family or with friends know that they can easily turn nasty. Some areas of the US might go along, but with others it will be either competing National Guards or, whatever is left of the Federal military.
You are old enough to know what happened in Ireland when it was partitioned in 1921. How did that work out for the next 75 years? Why do you think it wouldn't happen with other states? What happens if half a dozen sane states decides to give a little section of SW California in exchange for mutually agreed upon items? The rest of California, including most of their National Guard, might see that as a really cool idea.