He is mistaken.
What I really want to know is how by a process of trial and error, and elimination (evolution), sixteen different types of people appeared, each with a different form of cognition, percieving the aspects that form reality in different ways and with different priorities. Then, how come between these 16 types, a phenomena occurs where the tone of the relation can be somewhat predicted. How this this happen, and why? What is the purpose? Everything has a purpose.