And if I recall, the results were that squatting is actually better at lining up all of the anatomy for least effort in evacuation. As a result there was a suggestion of a lower incidence of haemorrhoids.
Had I not been to the US this would have made little sense to me. US toilets and ours (NZ) are very different (the scrotal sag would have to be pretty epic to reach the water here).
Dutch toilets with their poo-presentation shelf are different too. And then there’s squat toilets.