He also includes "Lyme Disease, candida overgrowth, MTHFR deficiency, SIBO, 36 different autoimmune diseases, adrenal fatigue, gluten sensitivity, and Histamine allergy" to fit that flowchart.
Im not sure how serious he is, but if he really believes this than what is the cause of our issues? Is it really just in our heads as western medicine wants us to believe?