The worst cases are the only ones that actually matter. If you can demonstrate your stuff still works in the worst case, then when the worst case does actually

The worst cases are the only ones that actually matter. If you can demonstrate your stuff still works in the worst case, then when the worst case does actually happen, your staff is the only thing that will still be working when everything else goes down the tubes. All of computer science is predicated on worst case analysis for a very, very good reason.