" Writing about Gregor von Rezzori’s classic Memoirs of an Anti-Semite, Deborah Eisenberg pointed out the great harm that can be done by a handful of evil people, as long as they have the “passive assistance of many, many other people who glance out of the windows of their secure homes and see a cloudless sky.” She goes on to list the sins of such passive people: “carelessness, poor logic, casual snobbery—either social or intellectual—inattentiveness. "