The same company, DeepMind, already published about reinforcement learners reaching superhuman performance on many realtime games -- old Atari ones.
I know there's a lot of hype and ignorant confident opinions being expressed, but this sort of response seems really strange to me: in the last decade we went from nobody having a clue how we might automate Go in this lifetime, to 2014 when an article on prospects for Go by a premier researcher on game AI (https://news.ycombinator.com/item?id=11290112) did not even mention neural nets, to professional play last fall, to 5 months later crushing a top player and making high-level innovations, in a game said to be among the most deep and beautiful ever invented... and the most salient points are about how trivial it all is?