It started with predeparture beverages, and followed with flight attendants expressing their frustrations with customers.
Delta, American, and United think it’s unfair they should have to compete against the better Gulf airlines because of subsidies (though they’re plenty subsidized themselves). Nevermind that US airlines account for 49% of world airline profits. Nevertheless, good service isn’t expensive, and most US airlines will even complain they spend more on labor than their competitors.