Airguns or certainly off ticket ones aren't any more powerful than they were 30 years ago

A power level that was suitable for rabbits at 25 yards then hasn't actually changed, new technology brings more accuracy which has encouraged people to push and push distances to in some cases stupid levels and means the viability of the whole thing has to be called into question.

Whenever this subject comes up the argument to make vermin control FAC only just becomes clearer.