Yeah, some people are wrong. I understand that. Fetuses are not people.
It's sad that you can't look at the problem from above, impartially. Is there a phrase in your head: "people who think the same as me, and people who are wrong"? We speak apart from our own beliefs.
What rule? I haven't seen the show you're citing.
These are unwritten rules, only expressed by the actions of the most important superheroes. I don't know why you don't understand this.