The question is subjective, there's really no right or wrong answer. This forum has a rule.. No fiberglass on bows.. No rules as far as I'm aware regarding metal, carbon, or biodegradable materials to make arrows.
The best part about this forum, in my opionion is that it is composed of a very eclectic group of people. So in my opinion, do what suits you best... Or as old Bill said, " To thine own self be true....."