one who does not or cannot use the full facilities of such airfields expects to pay less for not using them despite the fact that they are part of the fixed operating costs of such establishments.
I don't expect to pay ANYTHING for not using a service.
As for fragile egos, getting the wrong end of the stick etc, the words "pot", "kettle" and "black" come to mind BoseX.
"Let he who is without sin......." Try reading other people's posts a little more carefully.