Are new strategies more important in SC2 than go/chess? From the blog it seems like the AI learns from self-play so if it doesn't come up with a strategy, it wo

Are new strategies more important in SC2 than go/chess? From the blog it seems like the AI learns from self-play so if it doesn't come up with a strategy, it won't know how to counter it. But that seems like it should apply to chess and go as well.