Do popular delusions deserve a more positive reputation? A commentary on "<i>Why Delusions Matter</i>"

In "Why Delusions Matter", Lisa Bortolotti argues both that the concept of delusions should be extended to cover certain beliefs that bear no relationship to pathology, and that delusions deserve a more positive reputation. Drawing attention to the role of self-serving propaganda in prominent examples of non-clinical delusions, I argue that there is a tension between these parts of the project.