I understand that. But at the same time I know plenty of people who live in SF who would love to move to a more rural area, but they or their spouse can't find

I understand that. But at the same time I know plenty of people who live in SF who would love to move to a more rural area, but they or their spouse can't find work in their field outside of metro areas and SF is close to their rural roots. Some people don't like living in high density areas, but find themselves their out of circumstance.