Everything you want to do or become in life is about the sate of your mind, you can control anything you want to control, therefore becoming a responsible gambler is a decision you can make by stating rules and that will help you stay disciplined while gambling. Though it's not easy you said, it comes with a lot of work to put because you definitely you will be tested at some point to do things out of control, I assure you, especially when you encounter a huge lose.
I'd buy your opinion. Addiction is a habit which victims unaware get themselves in. It's every individuals duty and wish to be responsible gamblers but those victimized are as result of their approach in chasing losts or overexcited on their winning. With their eagerness state of minds, they just pays deaf and dumb sensitive thar they might loose more and find it unbearable if they're not careful in the long run.
It's accorded that the temptations of loosing self control will always be there from a begining, but consistent disciplines will always keep you on the safe side.