Though, to be a bit more generous, I'd interpret that people hate airlines without really having a conscious reason, so they make something up that's visible and easy to be upset about. E.g. Cost of flying, leg-room, crappy service, "run by evil corporation". I'd posit that they somehow see something wrong with it, yet can't pin-point what that is. In my view, somehow they realize that a government-enabled and enforced monopoly makes the whole thing unfair. And if only we had no intervention and prevention of competition, they'd finally see "nice" airlines. But until they actively "see" that, they'll always think that it's the government that's preventing the really nice peachy happy people from running an airline that they'd enjoy using.