ATS adds "Sub Grades" on trading cards grading a "perfect 10". Coins next?

ATS has announced when they grade a trading card a perfect 10, they'll also indicate grades for the sub categories of centering, surface, corners, and edges.
They already provide a similar type of grading on ancient coins, with subgrades for strike and surface. And these are in addition to the star designation or the coveted "fine style" designation.
Would you like to see such a system implemented on "regular" coins, or would that just complicate things?
We are like children who look at print and see a serpent in the last letter but one, and a sword in the last.
--Severian the Lame
--Severian the Lame
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Not sure, but I do like how they do it for the ancients.
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Interesting, but a big can of worms that would open I think.
My Collection of Old Holders
Never a slave to one plastic brand will I ever be.
If the the headline grade is "10", wouldn't all the sub-categories also be "10" by definition. ?
I mean, if a sub-category is less than "10", then how could the headline grade reach "10" ?
I found this posting about Beckett card grading.
https://codegolf.stackexchange.com/questions/189444/determine-beckett-grading-service-bgs-final-grade
Here are ways you can get a 10 without all sub categories being 10
Centering Corners Edges Surface = Final grade
10 10 10 10 = 10
10 10 10 9.5 = 10
10 10 9.5 10 = 10
10 9.5 10 10 = 10
9.5 10 10 10 = 10
And I looked this up more. CGC already does sub category grading (and has for a while). The announcement is that they will automatically add the sub grades for perfect 10s (before the submitter had to choose if they want sub grades detailed or not when submitting their order).
Card grading has had sub grades for a while in general.
While coins can do it too (surfaces, luster, eye appeal, and contact marks as the four categories), I don’t think we will see that happen from the major TPGs. It would likely cause more complaints than benefits for the grading companies.
I kind of like it and generally prefer more information, but this may be a case where it's better to leave things as is.