yes you make some good points there, but have some flaws there too.
It is not always the fault of the buyer, Many new buyers do not know exactly what a 100% pure bird looks like, To be honest, it take a very well trained eye to distinguish certain species hens apart. That only comes with years...
same is true on domestic ducks , turkeys, and the list, these are all domestic breeds, NOT WILD species. There is a difference between the two, a species is it's own group, not mixed over generations to "create" it. It is a naturally occurring wild animal.
That is why folks get defensive about...