1. You have postulated a thought experiment to illustrate your aerodynamic point. AC found it interesting, maybe even insightful. I thought it was an attempt to describe a real world situation, but I think that has to wait 'till point 3.
2. Nothing to add on that one.
3. Isn't that what G limits are about ? The designers here are more than capable of designing an 'UCA' meter that made all the appropriate allowances so that your approximation wouldn't be required. But they chose to install G limits instead.
4. Nothing to add on that one.