pitioss ruins

Alright, I've decided to return to an oldish topic; speculation about the nature of Pitioss and the story it's designed to tell. I've been looking on my own account into the theories surrounding Pitioss, and as Tabata openly invited speculation with his Gamescom statement about its purpose, I've...

Since this got buried in the main discussion thread, I figured it might make sense to continue theorizing about Pitioss here, because it seems like it could be really interesting. Here's what's been said so far: Any further thoughts?