It has zero to do with that; A bulk of SF was built when cars were enormous. The people parking ON the sidewalk do it because they either don't care, already ha

It has zero to do with that; A bulk of SF was built when cars were enormous. The people parking ON the sidewalk do it because they either don't care, already have a car in their garage or street parking is taken up by people who have 12 people living in their house with 16 cars on the street.