I think this essay includes a specific prediction, that human level ai is far away, that might be disproved this decade. If human level ai is close, focusing on some other kind of ai is more likely to be a waste of time.
https://www.lesswrong.com/posts/K4urTDkBbtNuLivJx/why-i-thin...
Twitter taught Microsoft’s AI chatbot to be a racist asshole in less than a day.
https://www.theverge.com/2016/3/24/11297050/tay-microsoft-ch...