A good incentive to forgo the upgrade and quickly get into class at Delta!
I recently ran into a young ex-EK 777 captain who was thrilled to be a copilot on a 737 at United. He commented that it was like a part time job after being at Emirates.
The commuter airlines in the U.S. are so desperate that they are giving Ozmates some sort of work visa to fill the flightcrew seats.