In an era of weaponized sensitivity, participation in public discourse is growing so perilous, so fraught with the danger of being caught out for using the wrong word or failing to uphold the latest orthodoxy in relation to disability, sexual orientation, economic class, race or ethnicity, that many are apt to bow out. Perhaps intimidating their elders into silence is the intention of the identity-politics cabal — and maybe my generation should retreat to our living rooms and let the young people tear one another apart over who seemed to imply that Asians are good at math.