And, that oh-so-important-to-the-rest-of-the-country-farming, is less than 5% of California's GDP.

California's manufacturing sector is enormous. Good luck repairing your planes without California. And medicine? Oh, yeah, that biotech manufacturing goes bye bye. etc.

Our current highly interconnected economies rely on peace. If an actual significant war ever broke out, people would start starving immediately.

True, but that stomach is full of wheat and corn, not celery and kiwi fruit.

"Good luck repairing your planes without California. "

Good luck being able to get a glass of water without the rest of the country. I wonder where trouble would develop first?

Plus, what makes you think that the agricultural counties are going to join your utopia in the first place? Almost all of them voted heavily for Trump.

Noone is gonna starve without california. We might not be able to get avocados during the winter months anymore, but we'll be fine.