because most of the "rabbiting men" as you put it, are doing it for the sport and permission, rather than a way to pay the bills
its not a case of being up ones arse, I reckon its ok to give hints here and there, but its no difference than if you asked
a butcher, to tell everyone that comes into his shop, how to cut up meat, thus saving them money, who looses out it the long run
or
a mechanic to explain to his customers how to fix cars
or
any skilled person, for that matter, how to do their job
where do you stop, this is a big open forum, if new users/mole catchers, simply used