Such huge winnings with minimal investment in the casino are quite rare, so everyone knows about them, many bet small amounts in online casinos in the hope of getting a luck slot with a seven-digit figure or more, so I think these are unique examples of luck, but they are also motivating factors for many gamblers.
I would clarify that this is not a motivating factor for all players, but only for those who have never heard of the theory of probability or cannot themselves understand how incredible such superluck is.
And of course there are still players who believe in luck based on some of their signs or simply believe in good karma. By the way, due to the constant loss of such players, extremely rare cases of huge winnings are possible.
I think that there are a huge number of such reckless players.

Big wins with minimal risk in casinos are rare and only happen if a big luck factor comes to a player. Beyond that, we can probably only hope that one day, we can get that great fortune. Maybe we have experienced getting lucky, which includes great luck for us because we have never experienced it before. And that's what keeps us coming back another day, hoping we can get another, bigger luck in the future. But even if we only use a small risk bet, if we try our luck many times, our bet will still be big and the number of losses we will experience will also be large. We must think about that to stop before the defeat becomes bigger.