User blog comment:FlinkyTheStoat/Essay:The Grey Irish Stoat? Flinky - A Character Study/@comment-1884658-20100610225745/@comment-173.186.155.173-20120125012654

Evil is determined by a whole host of factors. The reason Veil turned out the way he did was because, despite how he was being raised, of the Redwaller's inability to overcome stereotypes and predjudices. I'm not saying he might not have had an evil streak in his nature, but if you keep telling someone "You are vermin, vermin are evil, and you'll always be a vermin." Eventually they'll snap and react by "saying" "You want a vermin, fine. I'll be a vermin!"