What is the fool's bargain that Sagan say we made?

In "The Demon-Haunted World," Carl Sagan describes the "fool's bargain" as the trade-off between the pursuit of knowledge and the acceptance of ignorance. He argues that societies often prioritize immediate gratification and comfort over scientific inquiry and critical thinking, leading to a widespread acceptance of superstition and pseudoscience. This bargain results in a loss of rationality and understanding, ultimately hindering progress and leaving humanity vulnerable to manipulation and misinformation. Sagan emphasizes the importance of skepticism and education to counter this trend.