Yes, I am sure that what you said is true, which is addiction that triggers various aggressive actions such as borrowing money or even other crazier actions such as stealing or robbing, and of course they are definitely irresponsible gamblers and this is usually caused by gamblers who from the start misunderstood what and how gambling really is, most likely they are too tempted by the name of victory or the chance of victory that makes them interested in getting involved in gambling.
Some general advice that is often said by others such as gambling with the amount of money you can afford to lose, we can actually conclude that gambling is recommended to be done with mature self-preparation to face defeat, and when it turns out that you force yourself to gamble with the funds borrowed, it means that you can conclude that you have deviated from various advice that leads to prevention.
I agree that a gambler's lack of understanding and preparation often leads to making irrational choices such as borrowing money just to continue gambling out of greed for winning big.
Only those with a clear mindset and strict boundaries should gamble because if these are not maintained, it’s better to completely avoid gambling to prevent falling into a cycle of debt and regret.
It is not all about lack of understanding. If you don't have to fund to gamble on a particular team which you are convinced that they could win, one can go as far as borrowing money just to play the bet with assurance. Although it's not all bet that needed you to borrow money for you to gamble on them. There are time we ought to let somethings slide so that we can get ourselves. There are still gamblers that would never borrow money just to bet on their favorite team because of the discipline they have as gamblers. Borrowing money to bet can be a temptation but we can as well save money when we have it to gamble emergency games that would worth it, with a good result.