This seems to me like a deliberate misunderstanding. But taking it at face value, a story in which violence is committed against targets not analogous to any present-day identifiable people, or which is not committed for any reasons obviously analogous to present-day motives, is fine. The Sword of Good is not advocating for killing wizards who kill orcs, although Dolf does get his head cut off. Betrayed-spouse murder mysteries are not advocating killing adulterers - though it would be different if you named the victim after a specific celebrity and depicted the killer in a sympathetic light. As much as people who don't like this policy, might wish that it were impossible for anyone to tell the difference so that they could thereby argue against the policy, it's not actually very hard to tell the difference.