I hate so much when irresponsable breeders do that kind of things. I mean it's worse than pet stores...i'm not quite sure how things are in the USA, but here in Argentina pet stores have (Well, most of them) their birds in horrible conditions. No perches, dirty food, dirty water (if any). But if you call a breeder you do so because you want a guarantee your pet is going to be fine (almost like a pedigree), but when people sell you a bird with health issueas, and ones as big as the one your bird is having....that person doesn't deserve to be called a "responsable breeder", i highly recommend you to give names, so people don't get tamed.
But i'm really happy you got your bird and now she's on better hands, i hope she gets better, and even though you lost money, i'm sure you'll feel really good when you get the chance to help her. I hope she gets better.