Interjection: Nobody said it HAS to work, there has to be a chance of it accomplishing something, not a slam dunk. And I was referring to his threat of stripping, although he was surely kidding..
Gavra: You surely know where flyers end up, most people not even bothering to read them, besides all practicalities involved. And the idea is to be specific for the mussar to be effective, not generalizing.