Well, I believe you; but do you think that is what is happening here?
Honestly I don’t really understand how a horse can be lame on all 4 feet from a trim and not be prepared to fire the farrier. My farrier uses many guide points on a horse’s foot to know how much or he should/can trim at any given time without making the horse sore…“enough but not too much.” Every horse is different and you can’t just trim their feet to look like a picture in a book.
One foot with a problem…ok. But if this horse is sore on all 4 feet something else happened beside the crack in the RF.