The trickle-down legacy of postmodernism, Wallace argued, was “sarcasm, cynicism, a manic ennui, suspicion of all authority, suspicion of all constraints on conduct, and a terrible penchant for ironic diagnosis of unpleasantness instead of an ambition not just to diagnose and ridicule but to redeem. You’ve got to understand that this stuff has permeated the culture. It’s become our language”—“Postmodern irony’s become our environment.” The water in which we swim.

