There's giving a young dog 20 runs an giving a young dog 20 runs mate, I doubt gas or Jim for that matter would have took a youngster to close cropped grass with educated bunnys and expected the same results, I doubt they would have done it, but I know neither of them tbh. I have however entered youngsters in same way and done well with dogs doing well all there life's. Some places at some times of year are perfect for pups and to use that to a dogs advantage can only be a good thing.
I was once out lamping with a family member, we were out with sole intention of testing his dog with a big