The only way to succeed with the lapband is to have the right attitude and make a lifestyle change where you are eating healthier, smaller portions, and getting some exercise in. If you get the band thinking your days of dieting are over, you probably won't succeed.
That being said, this tool can help you a great deal if you work with it. There are definitely people who don't follow the rules and don't lose all their weight. It is really up to you, for the most part.
Also, keep in mind that a LOT of people won't get online and find a forum about lapbands unless they are having issues. Some of us here just like forums and are on for the support, but some people of online and search for answers when they are having problems. I would bet there is a LARGE majority of people who do not log on because they are not having problems. So, keep that in mind also.