>>2895585>Because Kodak wants to understate the capability of their professional film.Good that you said that, I have a proof of that.
"US_plugins_acrobat_en_motion_newsletters_filmEss_06_Characteristics_of_Film.pdf" - IIRC it is from Kodak.
It says that it is true for BW film but I cannot see the reason it is not true for colour film.