Humans are social creatures and we have an emotional need to connect. I can clearly see this as I contrast this human need when I compare my wife's needs and my needs. I am borderline Asperger's and my need to connect is not as high as that of my wife. Although this observation is in a family environment, I don't think it is too dissimilar in an office environment.
So from the perspective of connection, physical location matters.
http://davids-book-reviews.blogspot.it/2012/10/the-new-geogr...
That said, I did my time in the Bay Area, got out, and I'm happy to see people doing more in all kinds of places.
I've been a part of the startup community for the past few years and have witnessed the buzz. With large campuses for Intel, HP, Oracle in the suburb areas there is a large pool of talent that I grew up around and occupy the area. Recruiters and VC make regular appearances at collaborative work spaces and maker labs in the area.
Honestly, when I see these articles I'm a bit baffled. why would you move to Reno to save a couple hundred a month on rent?