There's a famous paper called The Californian Ideology (1996) that shows how all these seemingly incompatible elements of the Bay Area's past created the culture at the time of the dot com boom:

https://monoskop.org/images/d/dc/Barbrook_Richard_Cameron_An...

Today's Bay Area has a direct lineage to all of that. Blank Space by W. David Marx does a great job of explaining how the post-2000 parts happened.

https://www.amazon.com/dp/B0DXMVK94H

It's all part of the same long, strange trip.