those glass surfaces are not guarded from direct impact by a metal bezel Sure. Because the previous iPhones were built like tanks and... oh, wait. They weren't

those glass surfaces are not guarded from direct impact by a metal bezel Sure. Because the previous iPhones were built like tanks and... oh, wait. They weren't either. To me those two "coincidences" look more like exercises in damage control as the RMA flood kicks in.