Lost: Looking at the Foreshadowing

OK, spoiler alert if you haven't watched the Lost episode "The Man Behind the Curtain." Seriously, Charles you really need to rent the DVDs.
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The foreshadowing would suggest Locke's not going to die:

1. In recent episodes, even though we've suspected it for a while, characters have highlighted the fact that people heal quickly on the island, most notably Patchy when he was treating Naomi.
2. The Others were a bit in awe of Locke's healing capacity, which seems strong even for the island.
3. There was a close up of his father biting him, and his hand healing quickly from that wound.
4. Yeah, I know Libby died but she was gut shot and could barely talk. Ditto Ana Lucia. Locke and Ben were having a whole conversation. (Right before the bad news I was thinking turning his back on Ben couldn't have been a good idea.)
5. Sounded like a lung, Naomi got over a lung.

I could be wrong, but somebody in the writer's room went to a lot of trouble to hammer those points.

P.S. I think Ben missed some people in the Swan hatch when the killer gas was released.

Time will tell, but I wanted to get this on record in case I'm right. If I'm wrong? This post will be deleted, baby!