It's unclear how just-in-case learning solves this problem. By learning more things "just in case" you might happen upon the thing you didn't know you didn't kn

It's unclear how just-in-case learning solves this problem. By learning more things "just in case" you might happen upon the thing you didn't know you didn't know, or you might not. It's a shot in the dark and could waste a lot of time.