I think you may be misunderstanding my question. I do take a pride in my work and I now have the ability to analyze it at a pixel level and detect discrepancies. It was upon analyzing old work that I discovered some pixels were slightly out (15 instead of 16) that was too subtle to show up on the scopes.
My primary question is if 16-235 is absolute, what is the point of the various strictness settings on the Broadcast Safe filter? Why is FCP’s set to 105% by default? And why did neither of the ones I tested clip the out of range pixels I couldn’t see on the scopes?