So basically you can live anywhere near that line, even visitors, and easily comfortably cleanly and efficiently get to Sanford in Palo Alto or Mt. View or live in cheap Morgan Hill and work in super-expensive SanFran.
The BART system, in a tube under the Bay, to the near and far East Bay cities is a far inferior system, with design problems and overpaid labor strike problems that doesn't even go 80mph. Not as reliable.
Our freeways are only 4x4 lanes, if that, unlike 8x8 and 11x11 lanes of SoCal, and so are maxed out at commute times, especially with wasteful inefficient diamond lanes.
Plus our summer gasoline is much more expensive than the 47 other states, supposedly cleaner burning, if you want to believe That! California is the only state without a $2B/yr oil extraction tax!