I think it's a chicken/egg problem. Everyone goes to these hubs because that's where the jobs are. Jobs stay there because that's where everyone is.
My parents were enticed by a job offer to move out of the SF bay area. The offer was better money, and all moving expenses paid, but they ultimately declined. Their reasoning was that for their type of jobs, the SF bay area was the best place to be unemployed. So they stayed.
My parents were enticed by a job offer to move out of the SF bay area. The offer was better money, and all moving expenses paid, but they ultimately declined. Their reasoning was that for their type of jobs, the SF bay area was the best place to be unemployed. So they stayed.