Here's something to chew on....
CGC treats their grading for Marvel chipped comics as if the chipping wasn't there, because the chipping is a "manufacturing defect".
However, CGC treats the 60s DC comics (where the staples blew thru the cover) different. You know what I'm talking about, right.... example: you find a gorgeous Atom #1, it looks to be about a 9.4, and then when you open the cover you see that the bottom staple has blown thru the cover and the 1st 2 wraps (I use this example because it happened to me). I have since found that this is a common problem with silver DC. The DC silver age staple problem is a manufacturing defect, but CGC gives those comics a Green Qualified label.
I'm not saying I want the Marvel chipped comics to get a Green label, but I don't think the DC staple problem comics should be treated any differently than the Marvel chipping problem..... both manufacturing defects.