> It defines rich as 125k. That definitely isn't rich in california. It also says there's a net migration outwards and that the middle class and poor are fleeing.

In addition to that, another way of interpreting the numbers is that jobs in California continue to pay well.

There is obviously a difference between California being so great that all the people who make a lot of money want to live there and California being so expensive that companies can only attract people to move there by paying a lot of money.