A favorite author was living when toilet paper was invented, he condemed its use. Many even today condem the modern toilet. They even sell a plastic box that fits around the toilet so your high enough to squat above your toilet.
The one thing we know for sure; the ill and the over weight love to sit long periods on their toilets.
The healthy human is said to have zero use for toilet paper, the same as all creatures other than man has no use for toilet paper.