Employers determine where people go because everyone needs a job. People may want new cities, but employers don't care: it's not their problem. So, when a new

Employers determine where people go because everyone needs a job. People may want new cities, but employers don't care: it's not their problem. So, when a new city pops up, employers don't need to move there, and therefore no one else does either. You'd need to have some kind of big tax advantages to make this happen, then employers will gladly move there.