> Infinite high density cities aren't all necessarily the best thing.

Then SF shouldn't have permitted the office space that brought all these people. City planing needs proportions. When a city adds offices, it needs home, schools, grocery stores, etc

We're not talking about Manhattan-esque high rises. 3/4 of the city is limited by law to single family homes. Allowing mid-rise buildings like Amsterdam and Paris would more than solve the problem