To be fair, the also essentially non-existent enforcement of rules and laws and the fact that SF is a mecca for international tourist and panhandlers can make d

To be fair, the also essentially non-existent enforcement of rules and laws and the fact that SF is a mecca for international tourist and panhandlers can make decent money (i.e. Union Square) plays a role. Let's not factor out the economics and lack of consequences for bad behavior.