"It could be greed...or they could have been lied to, like the junior Templars at Therinfal Redoubt. Not a lot of people in the north have seen it for themselves, truly know what it does. Even if they'd read Varric's book, many could just assume he exaggerated for the sake of a story." That's what he does, right? If Korrin hadn't seen the awful result of the Temple of Sacred Ashes for herself, if she hadn't come south, she might have been one of them.