"San Francisco frequently has human feces on the sidewalk" This did it for me. I stepped on a big mound of human feces when walking along Market Street on my w

"San Francisco frequently has human feces on the sidewalk" This did it for me. I stepped on a big mound of human feces when walking along Market Street on my way to a job interview. The dichotomy of SF was perfectly portrayed in that 15 minute walk: expensive cars driving on Market street (most likely driven by a tech person) while homeless people were openly shooting up and defecating on the street.