Presumably someone who's not PC could use allegory to get away with being un-PC. Think of Joss Whedon's Firefly, in which the Alliance is a thinly-veiled alleg

Presumably someone who's not PC could use allegory to get away with being un-PC. Think of Joss Whedon's Firefly, in which the Alliance is a thinly-veiled allegory for the triumphant Union shortly after it destroyed the Confederate States.