I'm not sure it has much to do with anyone deserving anything. It's just good for the economy if more people work in more productive places.
So if the best companies could employ more people in those places and pay them high salaries, those people would also pay high income taxes that could finance public infrastructure for the rest of the country.
So if the best companies could employ more people in those places and pay them high salaries, those people would also pay high income taxes that could finance public infrastructure for the rest of the country.