Well, there's that. But they built all the buildings. Well, they use them, so it's more or less implied. For sure they built the totems, or at least, that is also implied. They even have a hierarchy, implied by the chief and the different "ranks" of masks. The fact that they appear to live a boonies life, does not reduce their right to live their life the way they want to.

As for the villagers being resourceful, I think they are related to McGyver

We're fenced in? Let's build a storage bin out of it! LOL