How to write the book of severing mother-child relationship?

In today's society, while the secular has repeatedly condemned unfilial children, the law has repeatedly unilaterally protected the mother-child relationship. Has anyone thought about the feelings of children, and the law does not accept such cases? I can only say that the law is not perfect enough. Who wants to abandon their parents? Who is willing to give up this relationship? As you can imagine, the person who asked the question must have the same experience as me. Under the contempt of the world, I just want to say: is an irresponsible, irresponsible mother who ruined the happiness of her children for herself worthy of legal protection? As for support, I just want to turn it into a reward for her support to death. As for the family, there is nothing. Is this mother-child relationship meaningful? Perhaps this is the continuation of the superficial perfection and inner pain given by the law.