Entertaiment is a fascinating topic and the etymology of the word suggests its deeper meaning. The latin entice, means to hold inside or between your hands and tain, means grasping, holding, possessing, or occupying. Often entertainment hits on points that the brain was evolved to react deeply to in our social world. This includes backstabbing, murders and other themes that make up a large part of the human experience. This is one of the reasons why entertainers are so popular.