SF does not have an abundance of good public schools. It's not atypical for families with school-aged children to move to the suburbs to afford their children a decent education.
> ...to an area considerably further away from the job market
But it's the techies with the disposable income who are creating a significant amount of the jobs the blue collar workers seek. The benefits from having people with disposable income is not extricable from the people themselves. Else you can have Detroit. That's the end-game.
I don't know of there being a 'right' to live in a particular place. Such that I would have a 'right' to live in Berkeley --whether I could afford it or not. Or Oslo, or London.
Why don't we see people clamoring against the 1%-er actors and actresses in Hollywood? I think people in LA understand that these free spenders benefit the local economy when they spend their money like there is no tomorrow. If the overwealthy actors and actresses in Hollywood didn't spend their monies, then that _would_ be a problem. There's be no infusion into the local economy.