your not the only one.
i'm not sure if they relesed micheal or not, remember the boy was walking about himself, or seemed to be, and then the woman who had the baby managed to escape, also when you compare how the second half of the island who all got captured where after a few days in different clothes and that, micheal seemed pretty normal, mabay even a bit to normal though.
And the fact that he came down with the same kind of torch of fire that The Others had and then collapsed at the bottom, not really sure what to think