theres plenty of "jackers" about, and theres plenty of people that will still breed off them aswell , theres also plenty of dogs about that are'nt tested properly, so there owners will never know what they really are or are'nt capable of either.
i dont kill cats with any of mine, whether they can or can't and as JD said i would'nt compare one to a fox either, the best fox dog i ever had never blinked an eye when the neighbours cats walked past him in the garden, he just was'nt interested in them.
i think if everybody that worked there dogs regular was honest they would all admit they've had