I don't need a novel, I need a cohesive thought that can be backed up with supporting information. You think you know but you don't, you think you can explain but you can't, very convincing........
What don't you understand about RGB values in the low single digit percentages being shadow detail?
Why are you still talking about percentages on a histogram that represents the Raw values converted to ProPhoto RGB internal space and then converted to sRGB output and then converted to a percentage?
I analyze *actual* Raw numbers using RawDigger. Quit convoluting this analysis. I don't even know what your point is anymore.
My point is that you can't just do +3 or +4 EV pushes for these sorts of comparisons on brighter tones to demonstrate the differences. If you don't see a difference, you're not pushing deep enough shadows. If you don't have deep enough shadows while you're exposing for highlights, then your scene doesn't have enough DR for it to matter whether or not you're shooting Exmor or Canon.
I never said it's just about how many stops you can push. It's about what tones you're pushing. You seem to be stuck on this 'but XYZ percentage *is* a shadow'... what? First of all, what's a shadow depends on your exposure, and second, my signal of 7 out of 16,000 on a linear scale would be 0.04%. So, no, single digit percentages don't impress me.
I think I know? Not even going to respond to such a patronizing comment considering I do full SNR analyses of sensors...