Orion came into being as the out put of a
great god, The Great God. The great god went to Earth and returned itself back on earth again and again, like Reincarnation. And the material of his mind went forth into the area of the Orion Nebula.
Sefra evolved with sugar crops a primary food. And so, having evolved it to work well in their diet, they consume it liberally. Many trees and other resources, even metals, are very sugar based, too.
Links fear and caution toward scientific things is not unfounded as at one time a mad man created a working mind control device. If he was not stopped soon enough the entirety of Link would have been enslaved to him.