I'm reading The Accidental Homo Sapiens: Genetics, Behavior, and Free Will by Ian Tattersall & Rob DeSalle more for the survey of human evolution than for new ideas.
An individual's Karma persists through the cycles of rebirth, but only within that person's lifetime. The Karma of a group, however, will last for generations.
BoingBoing shows a video glitching and like a carnival barker shouts: "Watch an AI-generated human face become monstrous as its neural network decays!"