Pro-life atheists

[Heywood]

Now could someone convince me that humanity is better off because we allow abortions....that it is a net good for humanity?

Why don't you start by describing how we're worse off for allowing abortions.

Suppose Hitler killed all the Jews and doing so, stopped a chain of events in which a future Jew destroys the world. Does the fact that in the end we might be better off that Hitler killed all the jews make his actions moral?

What if a fetus that was aborted would have grown up, invented a practical fusion process and saved mankind from a runaway greenhouse effect? Does that make abortion immoral?

The morality of an act isn't determined by future results. There is no need for me to make an argument that we would be better off if abortion were illegal.

Abortion is the killing of a human being by another human being. I think I am safe by saying such things are immoral.

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Taking bets on how quickly we get to "killing human beings is wrong!" despite the fact that he still hasn't resolved the problem of the many, many non-living things that also fit his definition of a human being...

Or once again comparing it to the killing of Native Americans . . .

I like to use Native Americans as an example because there seems to be the perception that good always conquers evils(like the case of the NAZIs loosing). This isn't always the case. Sometimes evil prevails(as in the case of the pro-abortion movement).