Your statement is true in that your seated position relative to the bottom bracket remains the same, but realize that the front end continues to grow in length with each size and has an impact on your seated climbing position. This is what we were getting at with that quote. Due to the slack seat tube angle, the Evil has a very long effective top tube length relative to its reach. A size large, for example, has a 647mm top tube for its 452mm reach. The Orbea comes in at 644mm/485mm for an XL, Specialized at 637mm/483mm XL, Transition 650mm/500mm...