seems to me the devs try to make a lot of completely different maps to make all kinds of objects available for the modders to put their "dream-map" together. Nothing i saw in the manor reminded me of anything in other maps. In kf1 the core-maps differed quite a lot as well.
Seing the settings...i mean, a wicked lab, a snowy outpost, paris with a destroyed eiffel and now a really gory manor...next thing might gonna be a mountain-themed map or some kind of highway...perhaps^^,
or HELL.