User blog comment:Manipulator of Elements/Theory on How We Got Psi Powers/@comment-8793919-20130613044903

Sigh, good thing you listed it was a theory, because here's one question that blows a rocket from an RPG directly into your theory (nice metaphor, right?):

Can you prove that the homo neatherdalis species COULDNT use psi?

Well, that's that done.

-TME