Respectfully disagree. I do appreciate your writeup, though.
Human hands didn't get smaller with the removal of the mirror. So while it's absolutely easier to carry a body -- broken down without a lens on it -- it is less enjoyable, less comfortable, less real estate for controls and dedicated buttons when actually using it.
So shrinking down every FF body because everyone it doing it is the behavior of lemmings. It implies a lack of insight on Canon's part to see that folks are headed to Sony for a dozen reasons other than size.
If Canon will have 4 or 5 lines of RF mount bodies, they would be foolish to not consider the unique ergonomic needs of each target user base.
There is no one body footprint to unite them all, and Canon playing that there might be surely seems like a cost containment / shared inventory move. And I honestly hope I'm wrong about that.
- A