[girmad]

For content, I agree, but houses also have plumbing, an electricity network, heating, etc

[regularfry]

A house where all the wire was bundled up in a single room would be weird.

[saalweachter]

On the other hand, sane architects line up all of the bathrooms and kitchens and laundry rooms into a three dimensional cluster, to collocate the plumbing in the smallest area possible.