Part 3/13:
Drawing a lighthearted analogy, the speaker highlights that, in daily interactions, human decision-making often involves "monkey business": spontaneous, instinctive responses rooted in our evolutionary past. Our brains, having evolved from primates, continue to perform a mix of instinctive and deliberate thinking processes. He notes that our cognitive architecture includes layers—some quick and reactive (System 1), others slow and analytical (System 2)—which influence how we interpret the world and make decisions.