(1) Taxes.
(2) Cost of housing.
(3) A government that insists on intervening in every aspect of my life.
(4) A culture of people who actively want the government to intervene on every aspect of their lives.
(5) Traffic.
I can afford to live in California. I just don't want to. I spent 8 years in the Bay Area, love to visit, but ultimately I can have more freedom elsewhere.