Don’t buy the “knowledge disappears because nobody needs it” premise.
We still have people learning Latin, blacksmithing and ham radio. Humans preserve useless knowledge obsessively, often because it is useless. As geohot put it, there will always be some guy digging the hole himself.
We still have people learning Latin, blacksmithing and ham radio. Humans preserve useless knowledge obsessively, often because it is useless. As geohot put it, there will always be some guy digging the hole himself.