The people are speaking! 

USPS data shows 124,131 San Francisco households moved between March and November, with at least 34,803 staying in SF, but potentially 10%+ of the city leaving.
so many homeless have moved in, last year I read that they were now 1% of the city... what is it now? 2-3%? that's a voting bloc. SF was an engine for wealth, and govt refused to oil the engine for decades, and now it has seized like an engine.