Apart from meeting Eslam's stringent requiremnts for hygiene, there are a number of reasons Eslamic bathrooms are much superior to western bathrooms.
1) They are more hygienic even by western standards.
2) Paper tissues are known to cause infertility amongst men.
3) The seating positions strengthen the muscles in your thighs, lower legs and abs. It is like going to gym whilst doing a #2
4) The sesating position pushes more blood into your brain making you a smarter person. This is one reason we muslems are so bright.
5) Helps environment by not chopping rain forrest trees down to make paper tissues.
6) It causes less smell.
7) It is cheap to build and install.