"Blind faith"?  "Pet theory"?  Hardly.  You have the cheek to make such statements when you are utilizing outdated research / theory in a pitiful attempt to disprove new and well supported notions of Celticity, that are based on archaeological and linguistic findings as recent as 2009-21010.  You must think the world is filled with grossly stupid people.  Go ahead, genius, try and refute Koch and others.  Come on, we are all waiting for your great wisdom to surface.