One contemporary author who often writes fantasy and science fiction on social issues is Steven Brust, and he has a rule that when he puts his personal viewpoin

One contemporary author who often writes fantasy and science fiction on social issues is Steven Brust, and he has a rule that when he puts his personal viewpoints into the mouth of a character, he uses a character whom the reader would have a narrative reason to dislike, which forces him to be honest with himself, and more impartial with the reader.