Flockes get out of jail card.
Flockes method of escape proves that the island is sentient or a machine.Â
Think about. He is impersonating a dead man. Now everyone of the losties who has come across him knows instantly that he is not the real John Locke. Except for Claire who to be kind to is nuts, not evil. I know Desmond said he was John Locke when Flocke asked him did he know who he was, but I think Des thought he was yanking Flockes chain.Â
For Flocke to get off island he said that they had to recreate the conditions of how they got there. The only reason i believe this is so is because the island must be able to see the human form but not the soul or spirit within.Â
Jacob knows what flocke looks like. Whoever he is he took Johns body so he would not look like himself. After all he wouldn’t recognize his own reflection now. Maybe that’s what all the mirror stuff is about this season. Â
Therefore the island must be either sentient or some kind of machine. Â