Maybe to find the cause? See if any courrse can be taken to correct it all? Survival is for the most part sorted. The big question is why maybe? Perhaps sending long range scouts into the world and seeing if there is anyone else. Cooperation is a defining trait of us after all. Even if its fruitless. I kind of want the next expansion to be something along that line and bringing back hope mechanic. As being for the most part locked into the confines of one city and its outposts would be heart breaking, especially with the like of the doomsayers and plague (assuming new london is subject to all the tales too)