Many children and adolescents have caregiving responsibilities for their siblings. Parents often rely on sibling caregivers to supervise, nurture, and teach their siblings, prepare meals, and ensure activities like household chores and homework are completed. A recent study based on nationally representative U.S. data showed that about 30 percent of adolescents with younger siblings had some responsibility for sibling caretaking.
The elephant in the room on how they've positioned it is on the word 'natural.' And I think that what they're saying is if there's only one way to define family, that excludes other types of families.
Banishing other people's voices from our heads isn't easy, especially when they echo our own insecurities. Lack of self-trust amplifies unwelcome judgments from others.