[xorcist]

Because it's one of the most obvious questions to ask about Silicon Valley? You have to pay a hefty premium for programmers that may leave at any time for a better offer.

The rest of the US is a cheaper, Western Europe is cheaper still, and by the time you look at Eastern Europe you'll see that not only can you find programmers that stay on longer, you can actually find experienced ones.

There are literally thousands of blog posts on why or why not Silicon Valley, and the cost of living and hiring are brought up every time.