A smart farmer knew that if he went out with his dogs and nets and cattle prods to capture wild pigs that the pigs would run amok. It would take tremendous energy to round them up. They would violently resist. Some would get away. Some would fight back and possibly injure him or his dogs.

And when he finally got them in the pen, his troubles would only be starting. He would have to build the pen to withstand extreme pressure from within. The pigs would try to escape. They may refuse to eat. They would resist any kind of intervention he may attempt, from medical treatment to pen improvements.

So the smart farmer instead threw some food in one of his fields. Soon enough, wild pigs came to eat the food.