I think you are completely nuts.
If the dog is advanced enough to take hunting, it's advanced enough to regress. Especially in areas that are situational. Like hunting.
So much of hunting, undoes what we work so hard to get in training. Even if the dog is wearing an e-collar.
My dogs are supposed to be trained, when they get to a test too.
But, if I could have a collar on them, you can bet your ass I would have a collar on them!
And if I could run tests with a collar, I'd be able to run a whole lot more consecutive weekends without having to take a break.
Dogs learn things in tests and while hunting that we DON'T want them to learn.
Having an e-collar on the dog, allows us to maintain quite a bit more of the training that we have worked so hard to put in.
It has nothing to do with the dog being trained, or not being trained.
If anything, the higher the dog's advancement level, the more important it is that you have a collar on the dog while hunting.