California is overcrowded, so some people leaving is a good thing, especially if it's Rightist leaving to a staunch Red state. Good riddance.
California's economy is still larger than most countries and ranked 5th in the world, so we're doing just fine: "California's GDP in 2022 was $3.6T, representing 14.3% of the total U.S. economy. If California were a country, it would be the 5th largest economy in the world, and more productive than India and the United Kingdom." -Snip
You people sure love your doom-and-gloom predictions whenever a Republican isn't in charge, especially President. I still recall you people claiming the Obamapocalypse was supposed to happen. Never did.
Newsom will definitely run if Biden drops out in time. Otherwise Newsom will run in 2028 and become your President. I've said it before.