Do you think gambling and addiction are separable? 99% of gamblers are bound to get addicted because its human nature to trust your greed and block your reasoning when you see money and your hidden dreams of becoming a millionaire come true with the roll of a dice. Very few people even judge the situation and think that if it was so easy then people would not work hard to earn money. There is nothing wrong in gambling except that one had high chance of becoming an addict.
Everyone will be addicted when they do repeated stuff . No matter how addictive or non addictive it is, as long as you keep on doing it on regular basis it will become your habit. Once it become your habit then you will have hard trouble in getting rid of it. If you have no determination then there is no way for you to get rid of it
Is someone told you to repeat doing something that hurt you or someone you love - would you do it? It not easy to addicted to something if you keep on doing it. People who work in same routine dont get addicted to it - since they dont provide any metal satisfaction to them - hence they want to get away from it.
But gambling provide people with metal stability that one day they can become a millionaire and that is why they keep on gambling. if you have some basic reasoning then this should work the other way round and you should not gamble.