To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyses reviews to verify trustworthiness.
The question, "What is a human being?", is framed in a very good story. Our concepts of racism are in the background. To examine moral questions, stories are better than essays, and much better than doctrines.