We call that early traps from casino to gambler, most especially on in house games, the casino allow the players to win a few games and then after hit them with the heavy stroke, winning a small amount at first time is Sweet and a tempting start to continue gambling, but for wise gamblers, what is needed at that point is to lower your wagering amount in a bit to secure your longer playing time, so even when you lose a few vet along the line the impact of your finances won't be that much, and if the casino hand you out some winning you take them with good faith and in the end it's a win win so long as you walk away with something regardless of how small it may be.
Though we can't blame the casinos on this because that's their business. It is up to the player if he will play or not. That's his prerogative. This is why, this business is a lucrative one if the management knows how to operate and get a hold of their vaults. Do remember, the control is on your hands, it is not on the gambling site. So the end game is up to the player not the site itself.
It is important that we should know this as a fact, that everyone of us can choose to gamble responsibly, because it's lots of fun, but in doing this, we should be mindful of the risk associated to how we are gambling, because some of our gambling style could cause more harm to us than the fun we should be having, if care is not taken, we may see ourselves falling under the same conditions as others do when we don't check to know how we have been gambling.
I guess, all people know the nature of gambling, however, they are still trying to beat the odds because of the main reason that they want to hit big. And since humans have no contentment, they will continue their quest up until he is already in trouble. That's when the reality will sink in, save himself from the rabbit hole or sink in.