The same reason furniture stores and car dealers locate near each other: traffic. Think of writers with magazines and newspapers. The writers themselves are wh

The same reason furniture stores and car dealers locate near each other: traffic. Think of writers with magazines and newspapers. The writers themselves are what make the outlet (plus competent management). If an outlet folds, a great writer moves to another outlet, or takes a break, or writes a book. You're not tied to any outlet. But it can be an advantage to be associated with one. For awhile.