The SF Bay Area is a most beautiful places in the world, with a perfectly awesome climate for human beings, and a world-class center for industry, finance, the arts, sports, world trade, and education. The use of the phrase "San Francisco Values" pretty much proves that we are, in fact, the epitome of modernity, the veritable archetype of liberal progressive social and political values.
It's a major tourist destination, there are millions and millions, and millions of people from all over the world who just want to visit here for a few days. And though it's not everyone, it should come as no surprise that there are a hella lot of people who want to live here. And they want to live here for reasons as varied as spending the live kicking on the beach and catchin' some tasty waves to becoming a multi-millionaire before they are 30. They come from all over the world. And we're cool with that. It means that straight-lace corporate business types (and we got tons, its a major corporate center) sit next to punk rockers (we got's lots of those too) on the bus, while I can go from the front of that bus to the back and hear at least 7 different languages spoken. So it's not exactly an 'English Only' kind of place. And those San Francisco Values pretty much decree that you have to be cool with all that too.
For whatever reason -and I'm not sure what it is - people tend to group and clump together, and given the population that its drawing from it should not be surprising that within the Bay Area there are HUGE differences in what's going on, in the climate (both physical as well as social), the opportunities, and the people. Living in Fremont or Walnut Creek is way different from living in West Marin or West Sonoma counties. Living in San Francisco is way different from living in Oakland - even though they sit across from each other and look at each other.
Because of all of this and more, lots more there are two things that pretty much are true.
1. It's really, really, really - and I mean you can't believe it (unless you're from NYC) - expensive.
2. It's really, really, really highly-competitive. You have to bring your "A" game. You have to pretty much drip self-confidence all the time.