Even with LLMs doing note-taking all the time, it still doesn't create tons of value.

Part of the value of note-taking is transmitting the information into the future.

But another part of the value of note-taking is deciding what information to keep.

If you keep all of the information, you get a cacophonous mess.

Note-taking by hand is expensive, so we implicitly apply our judgment on what is valuable to keep.

You curate useful information to pay attention to later; synthesize insights into a more distilled version.

When note-taking is cheap, that judgment is applied less, and it all becomes cacophonous background noise you have to sift through later to find value.