There's no point at the Equations – Underwater Islands
It doesn't help that this is for US law. If this is true, turning off the brain... is completely rational. Why burn out the brain for something happening either way? It's not like being fully engaged is going to be very annoying. When throughput is an issue, you have to think about to have more space to think about other things. Of course, this becomes a lot more difficult when you're unemployed.