I quess the arrow manufactuers need to just make one really stiff arrow for all of of us,that seems to be what you are saying.
evidently you have only read what you dont agree with
I also shoot a 60 inch wide limb Native American style long bow pulling 55 pounds at 28inch draw with a finger tab which requires a properly spined shaft.
Or mabe it would be more correct to say it will absorb all of it and still be wanting more.Just a different way of looking at it. Maybe my terminology is off?
now you are begenning to look at it correctly but still does not change the fact that an arrow as you put it too stiff will fly true from a properly set up bow the only thing will change is the increased drop in trajectory due to weight and reduction in speed
same counts for your rebar senario it may not travel but 10 feet before it hits the ground but it will travel in a strait line provided it has a certain amount of FOC and drag on the back.