Since the hijacking seems to be the theme now, I'll jump in too...

I don't mean to speak for Liz, but I don't think she was trying to ask PCB specifically why "those people thought that way"., but more , is there a known history within the faith where these two groups do not get along.

In a less violent Christian example, Baptists and Catholic have very different even thought they are both Chrisitian faiths, espically when it comes to salvation. Although I am not Bastist, I have basic understanding of what these differences are and could do a basic overview. That isn't to say I could explain the thoughts of every person in either religion, but I think that is more onthe level of understanding Liz was looking for.