Training A Horse On Three Legs - This Is Not Good For The Horse & Shows Uneducated Trainer

This is a very poor way to train a horse. It shows lack of knowledge of trainer and teaches bad lessons to horse and others. Sad for the horse. NOTE: I don't put links to videos to stop any harassment of video, this is for educational and learning purposes.

People are saying I took this video out of context, here is link, don't hate and be mean, but I do not think I took this out of context:
https://www.youtube.com/watch?v=p2j832M0nSk