Well gambling is very addicting because you can win money its as simple as that so that is the point of gambling, you can win money fast but its also a big risk you are taking. Another reason why people get addicted is because they love the adrenaline
True, the cause of people experiencing addiction in the gambling is because they have the lust and greed that's so in the gambling, they assume that gambling could give them a huge profit in a short time, it is true, But there should be a special technique to realize it.