As far as the arrow bending around the bow (arrow paradox); its no doubt true to some degree or the other. I've heard it for 50 years and its particularly needed for self bows and longbows that may not be as much center cut to achieve good arrow flight. That said, the closer to center shot your bow is and the stiffer the carbon arrow; the less paradox I would assume. It's also true a carbon arrow has far less oscillation than than some of the other arrow materials.... which has to come into play at some point.
Though I reserve the right to be wrong, I'm just thinking the variations of bow poundage, arrow material, draw length, arrow length overhang, center cut degree, point weight, bow tune, and the archers release might have an effect. With that said, I love the shelf slot and the arrow rotation for the benefit of quill clearance..
I know it doesn't hurt.