Use opaque glass and you and I will never know. Makes you wonder why clear glass isn't an option with some bows and an extra charge in others. Clear glass is also less reflective than opaque glass from a camo perspective. No matter how flat the finish, oils from your hands or a little string wax and the shine comes through. Clear glass will still shine to some extent but absorbs most of the light.
Many details go into a bow design that either makes the bow shoot well or appealing to the eye.
Without going into great detail, here are some of the things that effects how a bow shoots. The grip must be shaped in such a way to put the center of pressure in line with the arrow and in relation with the bows center. Most any style is doable if you have a preference but the locator grip is by far the most popular and is hard to beat. The arrow shelf must be cut and shaped so that the arrows contact with it is correct in relation to the pressure point of your hand. Limb tips are a huge compromise.