Thanks for the information, I will note it down for the future. I think the concern with mine and the goose case was that they did that AND the duck/goose weren't in top condition.
It does make sense what you are saying though, just in my case both were backyard breeders, and the lovely lady who I bought my first two from gave me a tour of her backyard set up (she had geese too, and chickens! -Very jealous). So in my head, it looked dodgy to supply an unhealthy bird whilst not being allowed to see where they were kept. -But it was definitely worth explaining, thank you!
No problem, I totally understand where you guys are getting that gut feeling, and a good breeder should be able to show you pictures of the rest of the flock, maybe video, and explain the condition of any birds being sold if they are in less than top condition when they are sold.
These 2 cases did not do any of that.
Just didn't want an actually good breeder that practices bio-security to be automatically lumped in with the neglectful and possibly abusive people that sold the birds in the cases listed simply because you couldn't go see and interact with their birds.