San Francisco Tall Buldings Without Open Windows

QUESTION: Why are tall buildings built on San Francisco unstable landfill that are themselves the debris of former earthquakes?

ANSWER: More money is to be made in the economies of scale of taller buildings.

QUESTION: Why do these same buildings keep out the freshest air on the planet by having windows that don't open?

ANSWER: Buildings cost less to build that have windows that don't open.

CONCLUSION: So San Francisco builders have opted to rely on it's faults and to shut out it's strengths.