It's a gold rush. Nothing new. Fun to watch once you have the context to understand what is happening.
Except in a gold rush everyone is trying to get a piece of a real, actual resource. What are folks flocking to? A unique combination of deep VC pockets and gullibility that can only be found in the SF geological record? No, this looks more like a regular ol bubble to me... The flywheel is spinning up, driven by run of the mill irrational exuberance and a belief that everyone in the bay area is just smarter than every…
That's what makes gold rush economics similar to bubble economics: Everyone decides to chase after a nebulous source of value.
San Francisco has always been the Gold Rush City.