One of the best things about addiction is that when a gambler has come to recognize addiction as a problem, it means the effect of being affected is really disturbing the person, prompting them to look for ways to stop. If you know that blocking websites can help you with gambling addiction, or whatever you can get rid of to end your addiction, I think you are taking the best step to fight against gambling addiction. Many addicted gamblers haven't yet discovered the effects of gambling, and they are not even aware of their gambling addiction. If staying away from computer devices can help you overcome addiction, I would advise you to do so.