Except that’s not clearly enough either, because to someone who is vehemently pro-life, this would seem as absurd as “Well, not everyone believes that five-year-olds are people, so…”
I think your first point was right — it’s about convincing them that a tiny bundle of cells is not a person, not just explaining that some people think it’s not.
Regardless, I still think this image is powerful, just because it’s so jarring to see a group of women in power deciding anything without men, let alone men’s reproductive rights. It brings home the point that, when the roles are reversed and it’s all men, most people don’t even notice.
