Which types of AI alignment research are most likely to be good for all sentient beings?

Cross-posted to the EA Forum . AI alignment is typically defined as the task of aligning artificial superintelligence to human preferences. But non-human animals, future digital minds, and maybe other sorts of beings also have moral worth; ASI ought to care for their interests, too. In broad strokes, if we place all alignment techniques on a spectrum between getting AI to do things that their…