I don't understand why people compare halter horses to riding horses. They are not the same thing. They are not even in the same category!
A halter horse is called a halter horse for a reason. They are not bred to be jumping four foot fences, be able to chase a cow around an arena, or run a mile race in less than two minutes.
They are not bred for their suitability to be rode. Let them be. If you don't like them, don't get one.
The debate here is
Halter horses are supposed to be judged on their conformation and suitability as breeding stock.
Now if their conformation inhibited their ability to perform in any discipline let alone the disciplines the breed is well known for ...
How is it a good example of the breed??
I am not saying all halter horses are like this.... all horses have their faults there is no "perfect horse" .
But breeding for exaggerated traits in any breed to a point where it becomes a defect should not be rewarded in any show ring in my OP.