A rude gesture in the galley says more about service culture than any press release about “brand loyalty.” As United Airlines seeks to transform itself into a top-tier carrier, it must do more to rally all flight attendants to the cause. Talk To The Hand: Boarding Pay Won’t Fix This United Flight Attendant Problem A United passenger shared a small but telling interaction from the last row of a recent flight. Before takeoff, two flight attendants were standing in the rear galley chatting. The passenger had an empty cup with ice and turned around to ask whether one of them could throw it away before departure. One flight attendant responded with what the passenger described as an inauthentic smile and “the hand,” signaling him to wait. The other flight attendant immediately noticed the cup, reached over, and took it. In his own words: It blows my mind how inhospitable some flight attendants can be. I’m in the last row on the aisle on a United flight.…