It’s like this, when you are a pig you are attracted and enjoy being in mud and acting like pig in mud and dirt, for human is repulsive but for person who understand Dhamma human nature is no different than of this pig but person can not realize it as the pig unless one gets to understand real Dhamma, pig of course will never understand it even if human would explain it to pig – those pigs are the same as people who are ahetukas and dvihetukas who are not able to understand Dhamma as pig who are unable to understand ignorance of dwelling in mud and dirt and eating rotten food.
While for human the pig is his own mind, ignorance and dirt and mud thoughts based on that ignorance