Yes and no. Certainly compared to the real world, San Francisco is a place where you need a lot of money to do anything (or rather, to have a place to live) but the psychological factors aren't there. I can easily go into the best restaurants in town, drink at the best bars, hang out at the best nightclubs, and I don't feel like I'm out of place or that I could be having a much better time if only I'd spent a lot more money. That's not a feeling I get in New York, Los Angeles or (worst of all) Las Vegas (even though I'm keenly aware that I probably am richer than all of the folks who are trying very hard to look rich in Las Vegas).