> Casinos with all of their negative-expected-value (for players) games would not exist, nor would many lotteries, if not for the allure of "oh, but if I win bi

> Casinos with all of their negative-expected-value (for players) games would not exist, nor would many lotteries, if not for the allure of "oh, but if I win big..." overpowering any rational decision-making. This seems like a separate problem. According to my best knowledge, most people going to casinos know full well that the odds are not in their favour – i.e. they do understand the probabilities/expectations involved – they just don't care because it still entertains them.[1] Not caring and not understanding are two very different things! [1]: See e.g. A World of Chance, by Brenner, Brenner, and Brown.