Once a part meets the desired strength characteristics intended, any extra material is just waste and added weight. Many people underestimate the strength of properly formed carbon structures. It’s not used in space craft and formula one cars for nothing
The surface does have texture and I think I mentioned it in the original post… It’s cut into the mold and is formed into the surface of the part during the molding process. One of the closeup pictures shows it a bit. It’s very effective