I think you are taking an extreme position on this issue. Meditation may not have everything to do with this but it does play a significant part. In my experience, meditation helps you analyze, hold and channel your thought process better. If your thought process is better, you have better control over your impulses.
You didn't ask for evidence in any of this posts' ancestery. If all you had said was "A scientific study regarding the connection between meditation and the ability to resist urges would be interesting and helpful to the authors assertions" you would have gotten a wholly different response.
I think you are taking an extreme position on this issue. Meditation may not have everything to do with this but it does play a significant part. In my experience, meditation helps you analyze, hold and channel your thought process better. If your thought process is better, you have better control over your impulses.