BJN, you are quite correct that hunters tend to shoot shorter bows, sometimes to the extent that some feel they even pinch the fingers a bit too much, like my all time favorite recurve the OLD Bear Grizzly not to be mistaken with its newer longer counterpart.
However, you are wrong on the limb construction. Very few hunting bows use solid fiberglass limbs, in recurves at least, I cannot speak for compound bows. Most recurves are made they same way they have been made since I started shooting, actually before, with laminated limbs. It was a process originated by Fred Bear if memory serves correctly. I have not seen a solid fiberglass limbed recurve in many years, with the exception of those little childs beginner bows, and most of them are actually a longbow design instead of recurve.