I understand what you're getting at, but you should qualify that statement. There are many smart people interested in things other than money.
Maybe because he works in Stanford, which is in the heart of Silicon Valley? And he's been a faculty there for 40+ years, so he probably could afford a house there. AND Stanford has a program where you can lease a house on campus? Lots of reasons, all containing the word "Stanford" :)
Source: Me and the dozens of tech people I meet every days who have left their countries to come here.
You'll need a new word to describe this thing you're looking for. ;)
There's a reason why hubs exist, and it's nothing to do with there being many of them to choose from.
Not to mention plenty of companies allow you to work remotely.