I'm in my 30's now, with a family. There is no reasonable amount of money that could convince me to uproot and go to the valley. Sure I could come out ahead financially, but at what costs? Commuting for hours each day, working long hours, living in a smallish house with no yard, high crime, high pollution, etc. Those are just some negatives, but there are of course some positives too. For me, my time with family is my most valuable asset, and I don't think I'd sell it for $500k.
Sure you could go there and make a lot of money and basically retire in 10 years, but I'd rather have those 10 years back in time at the end I'm sure.