This episode explores the pervasive problem of "sludge" — unnecessary complexities and obstacles in everyday processes — as coined by behavioral economist Richard Thaler. The discussion begins with Stephen Dubner's personal anecdote of a frustrating DMV experience, despite having a scheduled appointment at AAA. Against this backdrop, Thaler introduces the concept of sludge as the opposite of "nudges," which simplify processes. More significantly, the conversation delves into the intentional versus unintentional nature of sludge, citing examples like "unsubscribe traps" and poorly designed websites as intentional, profit-maximizing strategies. For instance, the analysis extends to the healthcare industry, where Ben Handel highlights the significant administrative burdens placed on both patients and physicians, leading to high costs and suboptimal health outcomes. Ultimately, the episode reveals that sludge, while seemingly minor in individual instances, represents a significant economic and societal cost, impacting everything from subscription services to healthcare access. The discussion concludes by highlighting the need for policy interventions and industry changes to mitigate the negative impacts of sludge.