I'd submit,that millions of large prints have been sold that were gunned with modest systems.
The original Canon 1D and 1Ds spring immediately to mind.
No matter the platform,if you understand light,exposure and DR...you can do exceptionally nice things SOOC (straight out of camera) and of course JPEG's will happily be coaxed along in Post. It is a constant "Trump Card" of those less a clue,that RAW is a "magic" salve for Turd Polishing.
It assuredly is not.............