I don't know whether they were just scapegoats. But if we assume the worst, that they were, it's still a big cost. Having to find scapegoats to pin the blame on while keeping morale of other employees up, I'd imagine that isn't easy. People will be scared. They will wonder whether they are next in line for scapegoating. They will try their best to stay away and cover their asses. It will raise costs to the point that no one will try this again.