Kahneman and Tversky didn’t say anything about rationality. They didn’t call Homo economicus a myth. All they did was lay out solid research that revealed some of the heuristics—the rules of thumb—that Gut uses to make judgments, such as guessing how old Gandhi was when he died or whether it’s safe to drive to work. Today, Kahneman thinks that’s one reason that the article was as influential as it was.
