This encounter is designed to challenge your players' expectations of morality and social expectations in a setting that may have different worldviews from their own. In that way, it's well-suited to a non-Flintstonist campaign, as a way to introduce players to the concept that people in a medieval fantasy world might see things differently than they see things today - especially with players who are new to the idea of leaving their preconceived notions at the door when approaching the camp...