It's not willingness. Coach can be just as demanding but F and J are demanding more often. Most of the coach passengers are just glad to be onboard, like they

It's not willingness. Coach can be just as demanding but F and J are demanding more often. Most of the coach passengers are just glad to be onboard, like they didn't think they'd get in. And they don't fly frequently enough to know what to ask for. The F and J are usually frequent fliers, know exactly what they are entitled to and ask for every time.