I mean we're pretty much all going to want to live as close as possible to the mountain of gold that is the jobs in those areas, poor or rich. A poorer person can more easily get a replacement job in SV than anywhere else. In fact when it was still somewhat affordable (I've moved away from SV) I've had a friend that was just a terrible employee, they couldn't hold a job - but they were NEVER unemployed, they stayed with some hotel or waitress position for about a month - got fired, hired again somewhere else before you could blink. Her husband, after living there long enough eventually got a software QA position and they finally moved up - poor to middle overnight. Mountain of gold.