For me, it's because I'd rather see the right amount of speaker holes inside the cutouts than a large cutout and a bunch of negative space. It's the same reason I wouldn't want the buttons to be symmetrical, too, with two buttons on the right side, even though there's only one power button, all for the sake of keeping things symmetrical.Why are people so concerned about symmetrical cutouts? I know the speaker / mic holes are not symmetrical on the iPhone, but typically, symmetrical things look better, so don't symmetrical cutouts on a case in a way help to fix the iPhone's lack of visual symmetry? Personally, I could go either way.