The reason religion is so powerful

[John 6IX Breezy]

In the event of a fire, you would save your [emphasis added] 5-month-old baby over a stranger [emphasis added] 5-minute old fetus as would just about everyone else.

Are you familiar with confounding variables? Your addition of kinship is one such example. Any novice scientist would know to control for such a variable, or would otherwise properly incorporate it using a two-way analysis of variance (ANOVA).