Originally Posted by coolsome
That's a case of a conflict between two of the strong and established narrative rules. While he was an antagonist, he's a sniveling coward, probably the most cowardly character in the entire series. All the same, he was sorted into Gryffindor for plot convenience so he could hang with the magical animal gang and thus betray them. I suppose saying "no exceptions" was wrong, I should have said "no exceptions that aren't insanely stupid for reasons explained by another rule".