> far more demanding than most other jobs And you've just made my point for me. "Most" other jobs. It's not the most difficult, most physical, most dangerous.

> far more demanding than most other jobs And you've just made my point for me. "Most" other jobs. It's not the most difficult, most physical, most dangerous. Where are the people saying people in job "X" can't possibly study after a day at work? Somehow, that reasoning is confined to warehouse workers.