Their job, as designed, is impossible. Automation complacency is well-known and well-studied -- any system which requires no input for an hour and then requires

Their job, as designed, is impossible. Automation complacency is well-known and well-studied -- any system which requires no input for an hour and then requires you to act randomly within seconds is an impossible task for humans. Volvo's self-driving (hands-on-wheel required) accounts for that. Uber's did not.