I am sure they could have done the same when the fence got put up.
But I suspect under scots law you would be opening up a barrel of rotten fish if they did choose to go down that route. A thus pissing even more tax payers money up the wall.
ABC can make regulations up to what you can and can't do on the ground that they control, they can't make rules for land which they don't.
The commercial supply of mogas would be a completely different kettle of fish to private individuals going out to collect fuel from a garage to refuel a private aircraft.
Is nobody going to be happy until the whole place has been shut down?