Why is this surprising? AlphaGo Zero mastered Go without any prior idea of what Go is, so why wouldn't the same kind of system be able to learn and play other s

Why is this surprising? AlphaGo Zero mastered Go without any prior idea of what Go is, so why wouldn't the same kind of system be able to learn and play other sorts of games? As I've been saying for years now: if you can model a problem as a complete-information adversarial game, that problem is solved.