Not sure about "larger debunking perspective". I have in mind the full spectrum of 9/11 WTC interest...certainly if we focus the "teens - 20's" group you identify THEN effort on the model which suits them is the priority.
The larger debunking perspective for me is to reduce the number of people who end up firmly believing in bunk. These types of belief are most prevalent amongst the young, young people are more open to new information. So a model that suits them might help to prevent many thousands of people from falling down the rabbit hole. I can't really see why it would something that only applies to young people, just that you need to keep them uppermost in mind.