They are in Seattle because that's where the talent is. The talent is there because it's where all the jobs are. People want to be near jobs because they want to be able to move jobs easily. They want to be able to move jobs because that gives them negotiation leverage and also because jobs are less stable than they used to be.

This is all interconnected, and nothing is going to change it in the foreseeable future. I'm sorry, it's just the reality. You can commute, work remote, move to the city, struggle to put together a teeny company in a small town, or do some other kind of work. That's just modern reality.