The clip comes from the Fallout games, where short spoken lines like this report events in the world around the player. Lines of this kind are often lifted from gameplay and shared on soundboards because they are brief, clear and easy to drop into another context. Once separated from the game, this one became a handy shorthand for bad news arriving too late, especially in survival and base-building edits. Its plain delivery is the reason it keeps circulating, since it can sit under almost any failed plan without sounding overacted.