The point of denouncing the practice of spanking children

Most people’s consciousness has been raised about the evil of child abuse, and some people’s to the point of denouncing the practice of spanking children. But many others believe that spanking is not necessarily abusive and can be a positive means of developing children’s sense of right and wrong and guiding them to responsibility and self-discipline. What is your view on this issue? (Can you please answer at least a whole page? Please be extensive in your answer)