Stage 0: "A computer will never beat a human at chess, the game is simply too complex" Stage 1: "So one managed to do it, but 96% of implementations still can'

Stage 0: "A computer will never beat a human at chess, the game is simply too complex" Stage 1: "So one managed to do it, but 96% of implementations still can't" Stage 2: "Well, looks like chess is pretty much dominated by computers. But the Go Game is still way too complex for a mere machine to tackle: only the human mind can" Stage 3: "It was one tournament that AlphaGo won and really..." Stage 4: "Yeah, the AI can play better Go and Chess than humans. These are solved problems." I guess we're at stage 1 for self driving and apparently for mammograms as well. Only difference is, chess players didn't have a legalized cartel working for them in the 90's.