I think I see what you are saying but my brain is working slowly this morning
. I don't think I'd make luring purely into faking but I see what you mean about when a dog is actively thinking into shaping as requiring a level of existing self confidence to be built upon. The capturing end of shaping can start to build the dog's confidence in itself though.
Tricks for building confidence can also be about paradigm shifts. So when a dog is scared of things and we teach it to "touch" objects there can be a kind of paradigm shift. The dog starts to see a confusing and scary world in a new light - as a series of objects to touch. Whether there is an element of faking initially I don't know.
It's like you were saying in our other thread, about letting yourself be covered in crickets for money. If the money kept coming, could you see yourself starting to REALLY enjoy the creepy-crawly sensation?
I started walking Brody daily when I got him, because that is what responsible dog owners do. He was terrible almost the whole time, reacting to everything (it was February, and very wet and windy), nipping at me, pulling and lunging at water rushing down drains, etc. Anything novel would set him off: a trash can left out, a realtor sign blowing back and forth, someone on a bicycle, skateboard, scooter. When we came back home, he would continue to be reactive for hours. At some point he would start racing around like a crazed animal, snarling and barking and spinning in circles. I had heard about the zoomies, so I thought this was normal. It also made me hyper-vigilant about making sure he had enough exercise, as I was warned about the dangers of a Border Collie with unspent energy. I would take him to our school grounds and play fetch for 40 minutes every morning. After we got home, and had eaten breakfast, he would jump up on the sofa next to me and bark wildly in my face. I would tell him to get off, at which point he would race around barking until I put him in his crate. I should add that I always had pockets bulging with yummy treats on our walks, and fed him as much as he would take when he was reacting to something. I would reward him for sitting calmly at a distance from these "scary" things, and bring him gradually closer until he could touch his nose to it without freaking out. I thought we were making progress as he seemed calmer on our walks, but his crazy behavior in the house continued.
Fast forward to last November. We had a real cold snap at about the same time I was recovering from injuries when I fell while walking Brody. I decided to skip a couple of walk days and just play with him in the house A LOT. Guess what? No racing around the house, no snarling, no zoomies, no jumping up and barking in my face. I decided to experiment, since the weather was really lousy, and NOT walk him at all, but just play in the house or yard. All of those daily behaviors have disappeared. All of them. He was able to lie calmly on the floor or even cuddle up on the sofa beside me after his meals. But the day before yesterday, I had been really busy helping my son move back in from college, and Brody had been crated more than normal as we were gone for long periods, then coming in and out of the house with his belongings. I hadn't had the chance to play with him all day, so I decided to take him for a good long walk. It had been raining a bit, so there was the swish of cars passing. It was also windy, and we passed a real estate sign outside an apartment building. It had several small signs hanging and it was blowing back and forth. I spent quite a bit of time with Brody, letting him approach if he wanted, backing off when he wanted, feeding treats for not barking at it, etc. When we got home, he was back to his old antics.
I know people say that with reactive dogs, exposure to environmental triggers will lessen their reaction over time. I am not convinced of this with Brody. I believe he may be faking calmness because it earns him food, but the cortisol is still there. Maybe I haven't persisted long enough, but his behavior once we are back in the house is evidence that not much has changed. My interest in this research stems from the need to find ways to reduce cortisol and increase testosterone, exactly what the power poses are able to achieve.