I can't say i'm a fan of any team throwing an IC to get rid of someone, especially this early on in the game. I believe that Koror should be able to put up with a problem child (be it Katie or Caryn) until they really lose an IC on their own (which could very well be soon since they are at a disadvantage during physical challenges because of Willard, and probably Katie).
We haven't seen much of Gregg (or maybe it's the editing), so it seems to me that Ian and Tom are the strongbacks of that team. Ian was the one who exhausted himself in getting the locker box from the bottom of the ocean, and he's tough in the physical challenges, as is Tom. Gregg seems like a strong lad, but I haven't seen much of him to say that he is one of the strongbacks. he has performed well in physical challenges, but I still see Ian and Tom, and even Janu, as the physical threats in Koror. But then again, I probably missed something.
Loved the reference to the psychology pyramid. A very enjoyable and interesting analysis, Phat. Good job.