As a professor of students in epidemiology and collective health, I truly wish my young colleagues would read the founding authors of their field and learn from accumulated ex- perience, aware that it was no coincidence when Ulysses ordered his crew to bind him to the ship's mast when they sailed past Capri (the isle of the sirens' enticing but deadly song).

Commentators often cite limited space as an acceptable ex-cuse for overly brief commentary. Note, however, that their critical review covers a vast set of papers and debates from “track D” of the 20th International AIDS Conference, held in Melbourne, Australia, in 2014.I agree with the authors that we live in an intolerant and aggressive world, not only for various minorities, but also for groups that constitute the majority in various contexts, like women and young people. The wide range of social and cultural groups that experience discrimination (symbolic and physical violence, even to the point of extermination) pre-vents me from subscribing to the opinion of authors like Steven Pinker