Celtic, that sounds like a Hazardous Mission!!!!
onthespot, I've seen that. Part of that seems to be the 'headset' craze in Western riding these days. The horse will look 'cool' with its head down and its chin tucked in, I guess, but I see it in Arabian barns, QH barns, a lot of barns.
This seems to be the 'dark side' of 'dressage is for everyone!!'. One of those 'tra-la-la' statements that really, really bothers me. Because without understanding dressage, just trying to copy how it looks - causes big problems for the horses.
Forcing the horse into an extreme head and neck position, is especially bad for the young animal whose bones and ligaments etc are still forming and growing. Hopefully they don't ride too often or for too long, that minimizes the damage.
'Oh! Dressage is for everyone! Then I'll yank the snot out of my baby horse until he puts his head on his chest, AND doesn't dare move it from there, even when I drop the reins! Then I can use some cool-sounding words for what I'm doing, and impress people/make more money training/selling'
This is why I occasionally attempt to try to explain to people what the dressage terms really mean - though I usually get bored pretty quickly and give up, because the flack is always the same.
If they understood what the words really meant, they wouldn't train like that. But...people have their own ideas of what the words mean, and as long as they can line their wallets by using those words and sounding sophisticated, it's going to continue.
The young horse needs to have freedom to place his head and neck where he feels most comfortable. The contact with the reins should be light yet consistent, and meet the horse where he needs to be, not yank him into some fake looking 'head set'.