Only a certifiable lunatic would let documentary filmmakers through the doors
they aren't interested in making "good tele" - which these days is an expose and every lunatic they can round up to comment
PS ask for control over the "final cut" and see what they say........
On the contrary, this turned out to be a nice bit of
PR for Heathrow:
No reason why a documentary on BA shouldn't be equally beneficial for the airline.