The reason religion is so powerful

[brewer]

The apology for the value of a human zygote goes like this:

1) Most people agree that humans (the children and adults we meet each day) have inherent value.
2) A human zygote has the modifier "human" in it.
3) Therefore a human zygote must have the same inherent value and protections.


No, no, no.

That's not an invalid argument whether you disagree with it or not. That's how logic works:

If human organisms deserve X rights, and zygotes are human organisms, then zygotes deserve X rights.

I don't have an antidote for your moral confoundment. Your best bet here is to argue against the premise that all humans deserve X rights.

Faulty logic, fails to take into account the developmental process, which I believe you brought up earlier but now seems to have forgotten for the sake of argument.

Edit: Not all zygotes from the process of human conception can be considered human. Example - molar pregnancy.