Peasants uncultured? Well I won't try to defend that as not insulting, but the peasant culture in Barca would certainly be juxtaposed to Aurvandil's. But then, this is SMA and it wasn't uncommon for people to believe other peoples to be uncultured.
As for earth embankments and woodworks, well what is wrong with that? It would have to be an earthen embankment, to provide proper foundation since Rettleville is on top of a crag or whatever, as we can see on the Rettleville picture, as for wood works, well they live in a forest, and are you really saying they would have no woodworks whatsoever? Nor is it impossible for them to have incredibly high quality and intricate fortifications that partially consist of wooden sections. In a place like Rettleville, with only one approach, you wouldn't even need to have complete stone fortifications, and wooden sections would make more sense.
Technically peasants are always uncultured, but I assumed he meant uncultured compared to other peasants.
Earth and wood was a by gone age... This is a game mirroring the time of the Middle Ages. Earth and wood as a fortress would not have lasted long. No doubt they have wooden buildings, but I doubt a fortress, as described by the game, would be wood and earth. Also, they can always import stone.
