The flipside of this is that the passengers in the back, while not as profitable in the "$/sqft" equation, are what merit the airline buying a 777-300 or A350.

The flipside of this is that the passengers in the back, while not as profitable in the "$/sqft" equation, are what merit the airline buying a 777-300 or A350. If all your focus is on those premium passengers, then you don't need as big an aircraft, and you end up with things beginning to approach JSX's (https://www.jsx.com/home/search https://www.jsx.com/home/search) mode of operations.