Another special case: If learning the information requires great resources in computation or memory, and the expected utility of retaining (not using) these is greater than the expected utility of of the info, then you might not want to learn the info. (See Omohundro 2008
This special case can apply to AIs, where the metrics of computation and memory are well-defined.
But it can be true even for humans. The time or money spent learning something might be better spent in another way.
Another special case: If learning the information requires great resources in computation or memory, and the expected utility of retaining (not using) these is greater than the expected utility of of the info, then you might not want to learn the info. (See Omohundro 2008
This special case can apply to AIs, where the metrics of computation and memory are well-defined.
But it can be true even for humans. The time or money spent learning something might be better spent in another way.