I wasn't going to get involved but what the hell. It's so hard for people to understand for one of two reasons. Either you are really, really bad at making some really insightful point, or you are arguing something absolutely, utterly moronic. And it's not the first one.
I mean essentially your point is that if things get really bad over the next few years we may look back and decide that it would have been better if we had fired Dixon now. True, and so what? If Dixon does something that gets Pitt put on probation in the next year we may look back and decide that it would have been better if we had fired Dixon now. True, and so what? Jamie Dixon could go on a multi-state killing spree, and we may look back and decide that it would have been better if he had been fired now. True, and so what?
Your whole point is that the day may come when we can look back with 50/50 hindsight (Walt Harris: pleased) and decide that we would have been better off making a change now. Well no sh!t. And so what? Unless you know what path the next three years (or whatever time frame you want to choose) is going to bring, so what?
None of us know the future. So to say that if we knew the future we might act differently now is both true and completely immaterial at the same time.