Like most mammals they also experience jealousy. These tendencies are very often in conflict. Promiscuity provokes jealousy, and exposes people to other partners who they might prefer. Because scientific pantheism reveres Reality, it prefers reality to image. It may therefore not approve of pornography.
Pornography commercializes the deepest human instinct.
It stimulates desire for another while offering only auto-erotic satisfaction. It offers models of beauty and availability which create unrealistic ideas, and can provoke dissatisfaction with partners. It encourages living in a virtual or imaginary world. In the area of interpersonal relations, there are no easy answers, and the logic of scientific pantheism offers no clear conclusions. The Wicca Rede should be applied, but requires great delicacy and sophistication.