My idiot liberal niece migrated from SF to Denver when her job imploded in the Baraqqi Depression.
I think there’s a fair amount of that too.
She says it’s far more cost effective to be on welfare in Colo.
The most popular bumper sticker 40myears ago in Colorado was ..”DONT CALIFORNICATE COLORADO!”
Unfortunately it has been Californicated.
Now they are working on my beloved New Mexico.
Yes, I’m sure that’s part of it.
You also get Conservatives fleeing states like California.