Be aware that Amnesty International has tendency to publish defamatory and incorrect opinion pieces. They are even happy to publish complete lies when it satisfies their agenda - to be a middleman for the international aid.
You mean the belief in Christian fundamentalist version of the soul? U my view it doesn't say anything about not believing in soul, but it can be interpreted as lack of belief that somebody can control their soul.
The main issue that is symptomatic to current AI is that without knowledge (at least at some level) you can't validate the output of AI.