Addiction is bad and that means you are doing things too much and that could affect your life. In gambling, too much exposure can lead you to addiction and that could ruin your life so technically its wrong but there are certain point where we experience a downturn in our lives and make mistakes, the real big challenge is how you will push yourself to bounce back and make things right.
Making of mistakes is something that's common to everyone but the only difference now is that some persons do have the strength and zeal to push on and actually take that vital decision that aid them with the wrong choices they have made. I have this particular friend of mine who feel that he is actually doing something good even with the fact that he knows he is addicted to gambling. He often say to himself that's his rate of gambling is still counted as normal because he has seen people that are doing crazy things which is way off compared to what he has done.