Well I don't think it's just one thing but many . You can say its money, bad owners , show ponys, not culling and so on . But for me one of the biggest problems is the ban ! What I means is not being able to enter your dog anywhere Without fear of being locked up ! When I was a kid I dug in allotments behind my estate on the school playing fields , railway banks and many places that I shouldn't have but the dogs got the work ! I don't think I would've got In to terrier work if I was young now . For a young lad that lived on a council estate that can't drive maybe only enough money for his bus