I guess that's what comes of establishing your civilization in a swamp -- shortage of protein.
But we should take a page out of their book, you know, the Noble Savage and all ...
I don't remember any European civilization that practiced cannibalism as a routine matter. But that must be because I'm seeing history through a Eurocentric prism ...
Though they were certainly outcasts and reviled, have you ever read about the grotesque Beane family of Scotland? Strange, strange story.