Can make us powerless as it progressively becomes compulsive and obsessive, e.g. consumerism where the person finds pleasure in buying and not in fulfilling needs, may want to stop but fail to control the desire
Sin committed not only by an individual but also by a group of persons, shows how sin can negatively influence other people, attack human rights and basic human freedom, disregard the common good, damage relationships, and grow into a sinful structure, such as racial discrimination and economic systems of exploitation