But rich people then were just like rich people now: they didn't want to have anything in common with the masses. So they commissioned ornate, decorative close-stools made out of the finest materials, built by the finest craftsmen. Because if they had to associate themselves with something the rabble used, they wanted to make sure that their version was a whole hell of a lot more expensive.
History repeates itsef. I give you the Kohler Purist Hatbox [1]: for rich people who, if they have to poop like the rest of us, at least they can comfort themselves knowing they're pooping on something most of us can't afford.
[2]