Everybody lies to people with clipboards

Website of British Airways. It'll tell you anything you like about British Airways flights except who else is flying those routes. So if you want to see what the choice is, you go instead to one of the scores of other sites that will tell you. Which is bad news for British Airways because they never get to find out what you were actually looking for, or how what they were offering stacked up against the competition. And because that is very valuable information, they have to send out teams of people with clipboards to try to find out, despite the fact that everybody lies to people with clipboards.

Douglas Adams: The Salmon of Doubt