I don't think they see dirt and grime do you? The whole place looks kind of soiled. To be honest they both look like they need a boil wash. Fanny's hair is often so greasy and he looks clammyYou’re probably right ‘cos we can see from Dan’s own YT that they aren’t really the most houseproud family …. but the Twirl-Titillating-Twins have still been faffing about in that room for a whole week now & in that time neither one has either noticed the filth or thought it would be a good idea to clean it …. Or more likely thought it wasn’t either of their roles to actually do it … or maybe have no idea where the chateau cleaning stuff is stored?