A nurse, working as a community case manager, visited the home of a toddler with severe physical and developmental delays. She explained to the parents that with their consent she would refer the child to a physiotherapy and occupational therapy program that would help the child be more independent. The parents refused, saying that it was their duty to care for their child because the child's condition is punishment for having conceived before they were married. They were not supportive of a program to increase independence. The nurse was upset and felt the parents were not acting in the child's best interests. What should the nurse do in this situation?