I know many parents who are extremely selfish and physically or emotionally abuse their children for their own selfish purposes, such as status, vanity, or desire to believe that their children owe them everything. I've seen situations where children's lives are ruined when they become adults because of the significant abuse doled out by their parents when they were young. Is this caused by karma? If so, will the abusive parents incur negative karma for abusing their children, and will they have to experience the same treatment in future lives? It doesn't seem fair at all that parents, who have power over their kids and their upbringing, get to abuse this power and ruin a child's entire life just because they are selfish and care about themselves. What is the karmic consequences for abusive and selfish parents who end up screwing their children, when the children did nothing wrong?