Keep in mind that weight of the point is a consideration when making an arrow. Your find might have started out as a knife or dart point, and after being re-worked would still be too heavy for a decent arrowhead. It appears the re-worked break has been sharpened, so it would work good as a hide scraper. If it were what they're calling a 'blunt', then the edge would be just that. I have no problem with the bird point designation for the smaller points, as most of us know they're regular arrowheads that could bring down a buffalo, or a turkey if you saw one. If a person got shot with one, they're small and thin so there's a good chance the point would break off if you pulled the arrow out and the remaining fragments would kill you later on. Another misnomer you don't hear too often anymore is 'fish point'. I have heard this applied to the serrated edge points we've found. I guess you could shoot fish with them, but the intention was to leave a jagged wound that would bleed more freely.