I can provide some general reasons why parents might choose not to have more children even if their child expresses feelings of loneliness:
Personal choice: Some parents may decide to have only one child due to personal preferences or lifestyle reasons. They may feel content with one child and believe it allows them to provide better attention and resources to that child.
Financial considerations: Raising children can be expensive, and some parents may feel that they can provide a better quality of life for one child rather than dividing their resources among multiple children.
Health or fertility issues: Some parents may face health or fertility challenges that prevent them from having more children.
Career or work commitments: Parents may have demanding careers or other commitments that make it difficult for them to raise multiple children.
Environmental concerns: In some cases, parents may choose to have only one child to reduce their family's environmental impact.
Age: Parental age can be a factor in deciding to have more children. Some parents may feel that they are too old to have another child or may not want to have a large age gap between siblings.
It's important to remember that every family's situation is unique, and there can be numerous reasons behind the decision to have one child or not. While growing up without siblings or playmates of similar age can present challenges, many only children have fulfilling and happy childhoods with strong social connections from friends and extended family.