Bad shed do happen no matter how experienced you are, now should you display an animal with a bad and try to sell it? Well it all come down to how one's represents himself and the animals he sells.
To me it falls in the same category than the people trying to sell offspring online and taking picture on carpet, on a towel, or in a dirty enclosure etc.
If you want to sell your product you got to put an effort and present your animals the best way possible.