Why use Indian style water closet (toilet)?

Definition for Indian style toilet: Indian style toilets are designed based on the human's natural position to excrete the fecal matter.

How to use a Indian style toilet? - http://www.pbase.com/jtodhunter/image/46791717

Reasons

1. Using this kind of toilet is more comfortable where you dont have to groan or moan because the position is very natural and relaxing.
2. The idea behind the position is to squezze the calf muscles and the thigh muscles. The nerve endings in these muscles helps in the relaxing of the muscles and make the experience more comfortable.
3. The position also helps in strenghthening of the calf and thigh muscles. This is equivalent to the "sit-up" exercies that are done in the gym.
4. The idea of using running water to clean is to avoid the wastage of paper and save millions of trees.