At one point they talk about the three dead survivors and they show pics of Charlie, Boone and Libby (only Boone appearance in the dvd! Yay! *is sarcastic*) and they highlighted Charlie's and then showed something,

I saw some of that mocumentary online. Somebody clips of it on my Charlie Life Support thread. I think it was actually implying that the conspiracy theorists believed the Oceanic 6 had eaten Charlie, Libby and Boone and that's why none of them had lost any weight. Delightful.