University paper.
Here here to both Cheeky Visual & Little Prince, more like that & you just may crack it.
A couple of years ago a university produced a study of pilot's industrial relations. New Zealand Uni I think, or was it Cardiff.......the conclusion was that pilots do not make natural collectivists which is a trait that corporate managers exploit to the full.
Many (most?) got themselves where they are by their own efforts & feel they are the only ones who can resolve problems (CRM?) and so would rather move elsewhere than join a concerted collective effort.
Interestingly, where there are no rungs on the career ladder left to climb (BA & other top employers) they do unionise and to great effect. A lesson there.......will it be learned?