Who was Mao Zedong—and what happens when an ideology tries to outvote reality? Segment 4 traces the Great Leap Forward, the Cultural Revolution, and the brutal cost of collectivism when “warmth” becomes enforceable. If Pol Pot is the shock of collectivism in miniature, Mao is collectivism at scale, not just a revolution, but a national experiment . And it’s one of the clearest historical examples of what happens when leaders try to vote reality off the island  with ideology.