There are many ideas to unpack in the preface to the book, "Who's really driving your bus today?" These ideas can be considered as generated by a thought system. Thought systems can be constructive and helpful to the welfare of homo sapiens, or destructive and harmful to homo sapiens. It might be interesting to take the ideas one at a time.
The first idea described in your preface is “The 21st century has been a time of profound challenge to cultural and personal peace in America. These challenges have impacted our core sense of reality in significant ways. Political polarization has left the two extremes in mortal combat, leading moderation to be attacked by both sides. Each side presents different “Truth”. There has been a growing intolerance and demand for “political correctness“ that leads to superficial soundbites."