Whether the fictional evidence actually misses that factor or not, I can’t say. However, the fact that the text mentioned that the extermination was for biological homo sapiens leads me to think that those artificial kids weren’t supposed to be just substitutes for emotional purposes but could actually act as full member of your family. That is, you wouldn’t consider them pets or slaves, but family.
Whether the fictional evidence actually misses that factor or not, I can’t say. However, the fact that the text mentioned that the extermination was for biological homo sapiens leads me to think that those artificial kids weren’t supposed to be just substitutes for emotional purposes but could actually act as full member of your family. That is, you wouldn’t consider them pets or slaves, but family.