If the cost of living in San Fran is anything like that in the NYC metro area, then $16/hour isn’t much at all. One problem with the “safety net” is that it lets idle people live in very expensive areas - in which they probably couldn’t live if they had a job.
A friend of mine lives up there. He said they built some Affordable Housing Units downtown.
They are Single Apartments (not even One Bedrooms) and most have two Families living in them.
I assume most of those Workers at In and Out use BART to go to work from Oakland. San Francisco is a crazy City, both Beautiful and Ugly at the same time.