Why are trees good absorbers of sound energy? Why are primates important? Why is the monkey puzzle tree endangered? Why do lemurs 'sun worship'? Why are orangutans important to the ecosystem? Why do human nostrils point down instead of out like apes?
(and they are very good), there will still be times when everything does go wrong; at those times autorotation could be the difference between a chance for survival and a fatal outcome. The lack of autorotation capability in V-22 is inherent in this tilt-rotor design given current ...