Why close them? Even when closed, people can still read them, the negativity remains. At the very least they are more of a message to the company that caused these players to quit. Most people don’t care when someone quits. But when any person stops giving anyone business, a good company would want to know why. That way, they can see what is causing this and they can change things to keep people around.
Or am I just being silly…? Did I forget where I am? Maybe.