When Imran Khan got into an Uber, his driver explained that the reason all the other Ubers in their traffic jam were driving so unsafely is that they're sharecroppers hiring their cars from a millionaire who won't pay them until they make quota. Michael Bloomberg, 2016, Oxford University: "Young people listened to Sanders…Because our kids no longer learn civics in school they longer study Western history, they no longer read Western literature…" "We are trying to change and dumb down the system and if you don't know what happened in the past you're going to have to relive it." If we can't provably demonstrate that a classifier is immune to adversarial examples (including ones as trivial as "2 inches of tape on a sign"), there's not a whole lot of applications for them in the long-term.