It could be that there is a wide discrepancy between the success of people switching to an e-cig who have access to mentoring, and those who are isolated. Anecdotal figures suggest as low as 30% success for the isolated, vs 75% success for the well-advised.
So if people post here that they failed, well, you are just feeling their pain. There must be plenty of them, after all - they buy something out of a 7/11 and think that's what it's all about
On the other hand, if they pitch up here, there is hope for them yet...