Not only does it affect the peanut allergies in Israel (less than 1%), this snack was, in fact, the tirgger that started this particular research.
The story according to the local papers is that the researcher was in a conference in Israel, and, as usual, asked who here has a child that is allergic to peanuts. Unusually, however, hardly anyone raised their hands. That triggered discovery of Bamba.
In fact, during the research, Bamba is what they fed the non-control group children.