Earlier quoted context omitted.
I don't know whether it's true, but I've often heard the theory that California's no-noncompetes is what made it so startup-friendly originally. Once the dotcom boom started, people were saying go to the SF Bay Area for startups, because that's where the investors are. MIT graduates with computer-y degrees seemed to be fleeing Cambridge/Boston as soon as they could.
As someone who was there at the time, the reasons were complicated. The Route 128 computer industry was in pretty significant decline and nothing had really come in to replace them. And the metro itself saw an outflow of population until the late nineties. When Teradyne moved out of Boston that was probably the last significant tech company in the city proper at the time. And the whole biotech and pharma boom in Kend…
In the case of Google, I thought there might also have been a Stanford-vs.-MIT factor. MIT was known as very strong-minded and self-assured. (And Stanford and California have their own stereotypes.) Were I trying to craft a particular culture, starting either around Stanford or MIT, there's no way I'd open a major office on the other coast until the HQ culture had really gelled, and I thought I could get the distant people to meet us more than halfway (rather than them carbon-copying what they already know from MIT or California).