I think that I may have made some incorrect assumptions when you asked me if I had heard the term, and as a result, steered this conversation down a tangent. So please, help me out. Why did you ask me that?

I acknowledge that yes, some Muslim extremists do use the word to mean all non-Muslims. But again, they are twisting their religion to suit their extremist views. Kind of like the Westboro Baptists.

Here's something interesting for you. Under Sharia law, it is a punishable offense to use the word "infidel" against a Jew or a Christian, because the Koran defines both as "people of the book."