LCK, in regards to the snippish thing, then it is my turn to look foolish. I apologize.
As to the efficacy of the +R and whether or not the conditioning held or not, I think a point is being missed, here. Dogs do generalize, from time to time, but not always in the ways or the extent that humans expect them to do. A dog could be quite well socialized through conditioning and have absolutely no problem with a number of situations over the years. And run into a new context, a new situation and the old training, in the dog's mind, as it were, does not apply.
Some breeds are known for it, such as the Akita. A one-human dog and can co-exist with a number of other pets, some of them dogs. But once it has a grudge against another dog, the grudge is forever and their memory becomes elephantine. They could be in a crowd of dogs and still go after just the one dog they don't like. I personally know of case of that happening. This one Akita, at an adoption event didn't like this on Springer Spaniel. And tussled with it. The ACO's broke it up. Mind you, this is in a large portable kennel with a few other big dogs in it. Later, the Akita again went after the Spaniel, ignoring the other dogs. At the end, there was blood, though it was the Akita's. There comes a time when the best thing to do is forgo the "tssst", or even, for the moment, re-conditioning through positive reinforcement in order to bring things down a notch. And even if, at some point, the soft method of re-conditioning doesn't work, it is still better than the scruff and pin which builds resentment at worst, or reinforcement at the least. A dog raised to wrestle will view a scruff and pin as play, a reinforcer. The shelter used the third option, the "Green Mile," the last walk, that afternoon.
Anyone, other than maybe someone such as you, has said, what idiot puts an Akita in general population without evaluation? Why, because many people know this tendency of Akitas, regardless of what training method they follow and know that management is necessary. And, by the way, it doesn't matter if you are pack leader, that doesn't always stop dogs from hassling each other, especially out of eye-shot and ear-shot.
I also disagree with your opinion (and that's what I think it is) that creatures don't learn through operant conditioning. Even if hunger is a stress and we learn something that brings us food, I don't think it's just a reduction of stress, though that certainly fits in with your predilection toward the non-linear dog theory. I think it is primally rewarding because it leads to survival. That is, it isn't all just wants, it's also needs. And the ability to hunt and catch prey requires intelligence, not just the luck of a blind hog finding an acorn, once in a while. To prove falsification of a theory, you actually need evidence to support that contention, not just a competing theory. And I don't say that because I have invested time and energy in operant conditioning. OC works, whether you happen to like that, or not. Even those you use corrections training are using OC, as it is based upon the precept that a creature avoids negative stimuli and may change a behavior to avoid the negative stimuli. What is good for the goose is good for the gander.
I taught myself to play guitar. Because it is rewarding, not because I had a stressor requiring me to play guitar to ease that stress. By the way, it was a sore time for the fingers before I built calluses. I am enjoying learning to play golf, though my forearms and right bicep are sore. Because the game is rewarding. Otherwise, why would I put up with the stress of physical discomfort to learn something?
I mean, I get the point that the dog wants something and there is the stress of wanting it and when the thing is attained, some stress is reduced. I can see that perspective but I don't think it's the most accurate. It's like saying that Nike shoes makes one physically fit when, in actuality, a number of professional athletes, who are fit, happen to wear Nikes. The other perspective is that what you would call stress is work to achieve a goal. In either case, aren't we both applying a human perspective? That is, you may see conditioning as a dog's path to eliminate stress but that doesn't make it so, just because you say so. In addition, your opinion neglects to consider the decades of research, most notably that of Karen Pryor in the field of operant conditioning and behaviorism.
Dogs have tool use. Digging to make a cool spot, get at a worm, or, in the case of my dog, to eat a grass root. Hunting, sometimes, in groups, which doesn't have to do with emotion and has to do with strategy, i.e., a minimal state of intelligence, to say the least. To borrow from Occam's razor (I use Gillette, myself) the simplest and most obvious hypothesis is often the correct one. Not that such a pattern has been proven but for most intents and purposes, it works. Just as Einstein's General Relativity tried to answer some questions about gravity that Newton's Principia Mechanica left unaddressed and QM has yet to answer fully, newtonian gravity works well enough for what we do, day to day. An apple will fall to Earth. Describe it however you want to, it hasn't changed the fact that Newton got beaned on the head with a fruit.
And actually, these "avant garde" theories of yours remind me of the rise of Heisenberg's Uncertainty Principle, when some of the scientists were contemplating particle physics and couldn't fathom the structure, the only thing they could was assign it probability. The problem with math is that you can describe anything with. Rev. Billy Graham tried to prove the nature of the Holy Trinity with the equation 1^3. Well, that also proves polytheism since the general equation would be 1^n. Even Einstein, raised as a Jew and a believer in God his whole life, couldn't fathom random nature. When asked if he believed in evolution as depicted by Darwin, he said, "I don't believe God plays dice with the universe." Which means, according to him, there must be some reason we have human hermaphrodites and to persecute them is an offense against God, for example. So, his Special Theory is bolstered by math from FitzGerald and Lorentz, who's theories revolved around the supposition of an aether. So, the math for Einstein's theories is a mathematical aether, still not proven.
Replacing order with chaos is not advancement of science. And while new and alternate theories expand thinking and investigation, they must still fall under the hard and fast rules of scientific observation.
What if a dog won't walk calmy with treats? So you use an Easy Walk, or Gentle Leader, or even a properly fitted prong. And, nearly in one breath, the dog is a perfect gentleman or lady. Does that mean that +R failed? No. It means that you, the owner, were note communicating well enough before. Since I think dogs are individuals, I can also surmise (my own theory) that they have different neurological threshholds. For some dogs, the pressure of these corrective harness is not a "correction" or a punishment, but a cue. A cue they understand. They are not hurt by it, simply informed by it. Once receiving the information, they act accordingly. And are rewarded with a pleasant walk, which may release some of their energy or "tension." Is not the release of tension a reward? Or have you already proven that there is no such thing as reward? If you "win" this debate, is it a release of tension or a reward? If you like continuing this debate, is it rewarding? If so, then you have just engaged in a behavior that is rewarding when you just said that creatures, including humans don't learn or condition by +R.
Nor do I think you are Mr. Spock. For a few reasons. I'm fairly certain that you are human, not vulcan. Second, the character of Mr. Spock and vulcans in general was dreamed up by Gene Roddenberry, a human with socialist tendencies who used Spock as one of the oldest literary devices, the stranger in the strange land who points out how screwed up we humans are, yet, at the same time, shows us our saving grace, what makes us best, as humans. So poignant was the line in the movie "Wrath of Khan" at Spock's memorial. Admiral Kirk said, "Of all the souls I have known, Spock was the most human." How's that for irony?
I think your perspective is just as human, including the desire to view something as divorced from human input. As Freud might say, "sometimes, a banana is just a banana."