You fail to see a lot of things, Art.

Namely, the technology to build a 5.5 gpi arrow, built to handle big-game hunting at +/- .001 straightness, that is stiffer than any other arrow on the market, thus eliminating energy loss due to shaftflexion upon release.Even at mind-warping speeds.

I must have missedthe newpaper clipping the last time somebody tried to market that "old" idea.