Not offering this kind of guarantee means that they do not believe in their product enough, and they do not care about if a salesman is over promising or over selling their product.
One of the worst things to come out of the Consumer Protection Board's misleading claims is the impression that government resources are to hard to get and just aren't available for regular people like you and I.
Teachers can go on cruises with the National Oceanographic and Atmospheric Administration and anyone can spend the summer as a volunteer in a National Parks and even earn money doing it.