Once upon a time round yards were only to be found on the properties of professional horse people. They were very commonly used by racehorse breakers and a few old bushies.
A lot of the time we take a good idea and turn it into a stupid idea. It seems there are few limits when it comes to people stuffing things up that could otherwise be brilliant.
If a person does not have the skill to fix mistakes made by earlier training, then they do not have the skill to ensure they don’t make mistakes in a horse’s training.