it is !
show me a better one with a better bone structure and denser more swept muscle bellies (no not narrow flex wheeler)
density and muscle sweep have nothing to do with structure , you already admitted Ronnie's clavicles aren't wide enough this negates the word perfect
This is the best structure for bodybuilder ever seen in my opinion
6'1" with a 29' waist , super wide clavicles , insane taper , small joints , perfect muscle balance & proportion this is the archetype of what the perfect base should be.