Poor communications, mistakes, hurting each other happens. But when you have experienced real abuse from a parent, it is carried your whole life and can eat you alive. The best thing a person who was raised that way can do is to find the way to recover from that. Only then can they consider if they want to confront/forgive/cut off the abusive parents. And there are absolutely reverse cases of parents abused by their children. Lots of work, hopefully with the help of professionals, has to be done before attempting any of the recommendations in the this article.