You're absolutely right, I'm impressed with your statement on the second paragraph and I believe that's one of the best advise a therapist would insist, when letting go of gambling seems difficult, the best way to handle the situation is diverting one's attention to another area for entertainment like movies, outdoor hangouts, avoiding media platforms that advertise gambling activities and most especially avoid watch sports activities for a while since it could trigger it again.
Yes, losing streak can be very stressful. but I guess by now one should be used to such as a gambler. Most of the time, we have more losses than wins. But since we play for the fun, it actually doesn't hurt much. That's why one doesn't have to be too attached with his games to avoid being depressed. Once you are stressed in gambling just take some time off. It would help you let go, so you don't have to over think it.
It baffles me when people emphasise gambling for fun as if it's always true, how many people even gamble sincerely for fun? It must be so tiny. "Gamble" as a context is about risking your money, it is not some kind of a video game we play for fun. And truly, if most people are gambling for fun, bookies can't be as rich as they are because no one gambles for fun will risk hundreds/thousands of dollars doing that, they will surely use a ridiculously low amount to wager so that it won't affect them, let alone leading to stress.
I agree with you, "gambling for fun" is just a word, in reality every gambler gambles for money. And because of gambling for this money, gamblers become addicted, and lose financial stability. In fact, due to not understanding the reality, the main purpose of people gambling is to make money. But they never get success, they only get losses every time, but even after that they cannot get out of this temptation. Gambling addiction enters the gambler in such a way that they can never get out of gambling, thus they always lose only their stability, they lose their stability in all aspects. And their beautiful future is ruined.