I think it's an important point, and the divide between the two nations isn't just geographical. They're also worlds apart culturally. To the Dementlieuse, Barovia is a primitive, barbaric backwater with no appreciation of the fine arts, music, cuisine, or literature. To the Barovians, Dementlieu is a land of effete, foppish dilettantes who waste their time on frilly art and haven't done an honest day's work in their lives.