Yes, a CRI 60 can be better or worse, because a manufacturer can desing the spectrum to have a better measurement.
...but a CRI 98 matches the blackbody spectrum in a 98% average in 8 checking points, so it would be really difficult that a CRI 98 source isn't of extreme quality.
CRI was revised in 1995, while the most widely used color space today is CIE 1931, since 1931 !! Another popular space is 1976 CIELUV.
It is true that low CRI light sources may match more or less the bayer dyes on the pixels, or the dyes/sensitization in the color films, but a 98 CRI matches (I reiterate) 98% average of the SPD in 8 checking points of the black boby spectrum, so it's extremly difficult you find a flaw.
You can get some variable results with a CRI 80 light, but not with a CR 98. Just spend $25 in a +95CRI household LED bulb and judge on your own.
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