I wouldn’t say that an environment that takes humans years to master and many hours to comprehend most interactions therein in detail is simple. The rules are n

I wouldn’t say that an environment that takes humans years to master and many hours to comprehend most interactions therein in detail is simple. The rules are not that complex but the interactions between game elements as well as agents are. Those AIs also need to deal with highly trained human opponents. Real-world relevance is orthogonal to complexity.