You can't have the QB shuffle and have any chance of legitimately evaluating Keenum. Yes, he was struggling big time, but bringing in Schaub was not the answer. It was the worst possible decision to make. Clean. House.
If Kubiak is allowed to be out there making these statements about who's starting and who isn't, I'm thinking that Bob has already decided not to fire him this week. Maybe he did demand that Kubiak to start Case and only bring in Schaub in the event of an injury in lieu of firing him.