http://seminary.bhaktivedantaacademy.com/content/uploads/sc/year2/ms102/2012-04-24-Brihad-Manu-Siksa-7.17-36.mp3 Only because of punishment things function on the social platform. If there is no reaction, everyone would do whatever they wanted. Generally, it is talked about education, encouragement etc, but actually punishment keeps things in line. If only encouragement is required, that is used. One who can be encouraged generally