While the argument for life beginning at conception can be rooted in religious texts, it can also be based on the desire for simplicity of argument.
I.e. not wanting to pick a random day during the term of the pregnancy to serve as a cutoff point, because the development of a fetus doesn’t have a convenient place where you can say "5 minutes ago, this thing wasn’t alive. Now it is. "
While the argument for life beginning at conception can be rooted in religious texts, it can also be based on the desire for simplicity of argument.
I.e. not wanting to pick a random day during the term of the pregnancy to serve as a cutoff point, because the development of a fetus doesn’t have a convenient place where you can say "5 minutes ago, this thing wasn’t alive. Now it is. "