You also have to consider personal cost. Do you enjoy writing, and do you have a strong interest in a field worth writing about? Then great, this could be a productive use of time for you both personally and financially. There's nothing wrong with doing things that make your life worth living.
Yes, I do. I'm a home owner and I continuously vote to allow construction and development.
Increased supply is likely the cause of a lot of the demand (jobs + cheap housing nationally) so cutting supply only seems maliciously harmful and not directly in anyone's interest.
You move to SF despite land costs. You move other places because of it.