This is a theory I came up with back during all the Little Ben drama in "He's Our You" and "Whatever Happened Happened" and so on. It's kind of like a hybrid between the Whatever Happened Happened and Changing the Timeline theories.
Maybe events in the past can't be changed or erased, but they can be altered slightly. In "Dead is Dead," Ben told UnLocke that he was healed in the temple, so we know it must have happened all along. It's possible that Ben always had a near-death experience that led to his healing, and Sayid just changed the way it happened, similarly to how Desmond changed the circumstances of Charlie's death. Because of Course Correction, "what happened" will always remain the same, but how something happened can be changed. For…Read more >