No source could be given because it’s total nonsense. What happened is not in any way akin to a psychopath doing anything. It is a machine learning function that has trained on a corpus of documents to optimise performance on two tasks - first a sentence completion task, then an instruction following task.

I think that's more or less what marmalade2413 was saying and I agree with that. AI is not comparable to humans, especially today's AI, but I think future actual AI won't be either.