That is the idea of a porn consumer in our country. Corresponding to this are the not ony technically unbearable movies that go over the counter everyday in the local sex shops. Head and heart are left out. It is a different story in the land of the rising sun. And the open display of genitals and pubic hair is still strictly forbidden by the Japanese censorship authorities.
Pink movies follow certain rules.
This has led to a blossoming of the Japanese film avantgarde in the porn field - apart form the major studios.