That would seem to be their choice to make, rightly or wrongly. My position on this is undoubtedly going to seem absurd to anyone hearing it for the first time

That would seem to be their choice to make, rightly or wrongly. My position on this is undoubtedly going to seem absurd to anyone hearing it for the first time, but it's that, no, in fact, San Francisco does not belong to the people who happen to live there already. The most good could be done for the most people by opening it up to -- unsurprisingly, almost tautologically -- more people.