Probably because fantasy sports betting is not a 100% game of chance and that application of data science ostensibly increases your chances of winning.<p>As with poker versus slots, one may require more time&#x2F;work to become a reliably winning player, but the payoff is larger.  With slots, you pull the lever and you&#x27;re done.<p>Ultimately, though, gamblers of all kinds find these sorts of things fun in some way, otherwise they wouldn&#x27;t continue to throw away money.  It&#x27;s addictive because it triggers some sort of reward center in the brain, and simply participating provides not only fantasy but also a sense of drama and unknown in an otherwise very predictable life.<p>full disclosure: not a gambler and rarely play the lotto