Companies do not pay based on CoL. The 400k guy is going to be looking at competing offers in that range. If Google decided they would only pay based on Kansas

Companies do not pay based on CoL. The 400k guy is going to be looking at competing offers in that range. If Google decided they would only pay based on Kansas salaries, and Apple only hired local, why would you ever consider a Google offer when Apple pays 3x as much?