High-pay software developers aren't going to tolerate living in a place where there's exactly one employer willing to pay them what they're worth. They give up

High-pay software developers aren't going to tolerate living in a place where there's exactly one employer willing to pay them what they're worth. They give up way too much negotiating power to do so. It's much more in their interest to live somewhere that they can walk out the door of Facebook on Friday and in the door of Google on Monday.