cause everyone is greedy, they wanna make easy money with fun, so people prefer making money in this way, but most people failed because casinos have house edges, we lose in the long run, so we should stop when we earn, although it is difficult for us
This is most of the reason why majority of the gamblers are so addicting into gambling. they've been thinking one day millionaire, that through gambling they can win a lot which they can profit instantly.