That's true, even though they have lost a lot of money, they still do it repeatedly and they enjoy it. Maybe they really enjoy the game so they still gamble despite the losses and defeats they experience. and in many cases those who gamble cannot accept the losses that occur so they have the aim of gambling as to recover losses, even though if they gamble they should be prepared to lose their money. If they really want to gamble but are not prepared to lose real money they can play based gambling. demo, and I'm sure they already know about demo-based gambling.
However, there are people who force themselves to gamble with real money, even if it's the small amount of money they use, and maybe people like this really can't find fun in demo-based gambling, so they still gamble with a small budget. It is possible that they believe in luck, because if they are lucky they will win even if they use a small budget, even though on the other hand they are not ready to lose that money.
That is a gambler who can still say that they still have a chance to win from gambling even though they have lost a lot of money. They can still act relaxed after losing a lot of money and as if nothing had happened even though if they check the loss, it is a larger amount of money than they are used to. They can still accept their loss despite wanting to return to gambling to recover from their defeat. They want to return to the casino because the desire to win is still so strong that they don't care about their previous losses.
If they can accept gambling games using demo mode, it can save them from losing a lot of money because when playing gambling games, they don't use real money so they can prevent losing a lot of money. But if they force themselves to gamble using real money, they have to be prepared for the loss because it is a real defeat and they will lose their money. Maybe they can prevent big losses by using small capital and not gambling for too long to prevent big losses so they can enjoy the gambling game.