The Wii is a great thing. Great product, great fun, great ad campaign. So why not add to the impressive repertoire of accessories for the Wii? With such titles as "Wii Play," and "Wii Fit," why not make a two-seater toilet and call it "Wii S***." I know you many of you disapprove, but deep down in your Wii hearts, you think it's just a little bit funny.
Also, I found out someone else on the internets beat me to this idea. So, apparently there is a lot of demand for this peripheral in the market.