You can get addicted to basically anything. Once you get it's always a problem. And. The problem with being addicted on gambling is that you can lose track oh your spendings and you can happen to spend more than you can afford to.
Some people actually only lose a small amount each time they gamble however the sad part is that they keep on doing it and keep on playing even when they know that they have lost. In the end, the accumulative amount should be very well high enough if you do some calculation on it
If we are doing it for fun, we will not need to track our loses as it will only discourage us from enjoying further. Only if you gamble for the sake of profit, you will have to do that in order to determine if your journey in gambling is profitable or not.
The moment you realize you have accumulated a lot of loses already, it's either you will stop or chase your bets which is always a bad thing to do.
Our profit and loss balance sheet will make lot people addict gambling. Becasue in gambling world there are only a few people make profit rest of all end with the loss. So if people know that they are in the loss, they will chase their loss, but the result is again same. So what you said is correct if you play for fun they don't maintain this information. If you play for money, they make a note of your winnings and losses.