This reminds me of these concepts

- https://en.wikipedia.org/wiki/Longtermism Longtermism is an ethical stance which gives priority to improving the long-term future. It is an important concept in effective altruism and serves as a primary motivation for efforts to reduce existential risks to humanity.

since the villagers is essentially trying to communicate over long period of times critical information that would essentially be of no use to them in their lifetimes, but would save lives many years down the track.