I know it looks like the Terminus group are cannibals, there's a lot of evidence pointing to that theory, but I don't think they are. They look more like a religious cult to me. Cannibals seems far too obvious.
So why are they hording people? You didn't hear dude's answer to Michonne's question?...
"Why do you let people in?" - Michonne
"Because the more people we let in the stronger we become" - Dude
shyt was a dead give away. Then the scene where they showed the skeletons of people looked like they were stripped of meat like rib tips
They eatin' people breh