I see it as a scale, where having the radio on or not could push a few point more regarding engagement in the task. The same way someone shouldn't be driving i

I see it as a scale, where having the radio on or not could push a few point more regarding engagement in the task. The same way someone shouldn't be driving if they're dead tired, but even if they're in an alert state, drinking a cup of coffee can sharpen them a bit more.