Or they didnt have the looked for color but figured they might be able to make a sale with what they had. I've offered colors before when asked about birds of a different color because maybe they'll be interested
I have a Cornish hen on a few eggs from my Cornish x Phoenix ² pair. I love these Cornish for brooding, they sit, eat, drink, poop and repeat. No squabbling, no screeching or poofing or pecking.
We used to go to the sheep and goat auction a lot when I was much younger. I can't understand anything though, so I wouldn't bid, I just liked seeing what came through
Seriously though, I liked mine, I just was always nervous relying solely on them. The chicks figured it out fast enough once they were settled and not recovering from shipping chills or hatched baby brain