The world is increasingly embracing diversity—religious, cultural, and political diversity, for example. Embracing diversity means being more tolerant to differences between individuals and groups, both large and small. This surge of tolerance is accompanied by an increasing moral relativism, especially among young people. Moral relativism is thought to naturally accompany tolerance.
Actually morality is robustly grounded in facts. Read more here: Morality Is Objective | Psychology Today (External link)