CA desperately needs more housing, especially places like the Bay Area. If this proposition passes, it might be a real good thing.
The big moment will be when Twitter goes under. They're the most visible troubled "tech" company in SF. If Uber tanks as well, SF's housing problem will be over for a while.
(Twitter will live on, but it will probably be acquired by somebody like IAC, which buys troubled services at a discount and runs them cheaply. They own "about.com", "match.com", "dictionary.com", Vimeo, Ask, etc. If they ran Twitter, it would have far fewer employees.)
Why does everybody have to live there anyway? The country would be way better off if 25 million people left there for Tennessee, West Virginia, Mississippi, Kentucky, Michigan, Maine, Indiana, Arkansas, and Louisiana.
Tennessee is quite nice as is Maine.