i would like you to go on and on, rdrs clutch was bred back to a parent, which you said yourself isn't quite so bad. how far was his animals inbreed? has he bred the animals to other snakes to see if mayb he has a snake with some bad genes? there other possiblities, and missing information. Even if it is cause directly to inbreeding congrads you have 1 example, then You bring up carmels...lol, im not going to touch that one.
you can do what ever you want, but what im after is true information, I think anyone going to out cross when they can, but to say people are turning a deaf ear? sounds like thats what your doing. one bad pairing of snakes doesn't explain the 23908439284 healthy clutches people have produced from sib x sib.