In the latest episode of Last Week Tonight, John Oliver examined the rapid growth of prediction markets, platforms where individuals can place bets on various events, including grim scenarios like wars and tragedies. He expressed concern over the ethical implications of betting on such outcomes, stating, "The impulse to try to make money betting on war or an unfolding tragedy is really dark." Oliver highlighted the significant influence of companies like Kalshi and Polymarket, which have marketed themselves as financial exchanges rather than gambling sites, allowing them to bypass certain regulations. He pointed out the connections these companies have with the Trump family, particularly Donald Trump Jr.'s involvement, which has contributed to a lack of oversight from the Commodity Futures Trading Commission (CFTC). Oliver called for more regulation and urged viewers to reconsider their engagement with these markets, noting that the normalization of betting on serious events undermines the societal value of news and human experience. He concluded by warning that while money can be won, the broader implications of such betting practices are troubling.