I'd strongly argue against 2. Telling people that paying attention isn't important 90% of the time is not going to increase attention the random 10% of the time

I'd strongly argue against 2. Telling people that paying attention isn't important 90% of the time is not going to increase attention the random 10% of the time when it does matter. Google halted all testing for level 3 self-driving cars because of this. They caught employees literally falling asleep. https://cleantechnica.com/2017/11/01/googlewaymo-stopped-testing-level-3-self-driving-tech-testers-literally-fell-asleep-using-switched-full-autonomy/ https://cleantechnica.com/2017/11/01/googlewaymo-stopped-tes...