What is a prominent support cited for the first view about young children of non-Muslim parents?

Salvation of Children: Aṣlaḥ, Recompense and Theological Differences

• Generalizing the report about the woman who buried alive and the one buried
• The narration of children with Abraham, including children of polytheists
• An individualized ruling based on their unrealized adult deeds
• Using the opinion about al-Aʿrāf as decisive proof