Abortion is one of the most politically-charged debates in the world today - possibly the most politically charged, though that's the subject for another thread. It's an excellent way of advertising whether you are Green or Blue. As a sceptical atheist who thinks guns should be banned and gay marriage should be legalised, I naturally take a stance against abortion. It's easy to see why: a woman's freedom is less important than another human's right to live.
Wait... that sounds off.
I really am an atheist, with good reasons to support gun bans and gay marriage. But while pondering matters today, I realised that my position on abortion was a lot more shaky than it had previously seemed. I'm not sure one way or the other whether a mother's right to make decisions that can change her life trumps the life of a human embryo or fetus. On the one hand, a fetus isn't quite a person. It has very little intelligence or personality, and no existence independent of its mother, to the point where I am comfortable using the pronoun "it" to describe one. On the other hand, as little as it is, it still represents a human life, and I consider preservation of human life a terminal goal as opposed to the intermediate goal that is personal freedom. The relative utilities are staggering: I wouldn't allow a mob of 100,000 to kill another human no matter how much they wanted to and even if their quality of life was improved (up to a point). So: verify my beliefs, LessWrong.
If possible, I'd like this thread to be not only a discussion about abortion and the banning or legalisation thereof, but also about why I didn't notice this before. For all my talk about examining my beliefs, I wasn't doing very well. I only believed verifying my beliefs was good; I wasn't doing it on any lower level.
This post can't go on the front page, for obvious reasons: it's highly inflammatory, and changing it so as not to refer to a particular example would result in one of the posts I linked to above.
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Yet this is a good start, to observe that a final unmoving 'nay' emotion is the core of any morality debate. When people acknowledge that what's 'right' isn't related to a logical argument, there are two immediate consequences:
First, they realize that their morality doesn't need to be justified by logical arguments: morality is arational. This makes morality safe from logical argument. No one can convince a person that something immoral is OK by stringing a fancy set of arguments. Moral principles don't need to be justified (because they cannot be, it is not written on a tablet anywhere that good is good) and they don't even need to be mutually consistent (moral principles may have evolved for specific contexts, outside those contexts or in occasional overlapping contexts they may become nonsensical).
Second, free of the fear that admitting lack of justification will open principles to attack, they can begin to pinpoint precisely where their instrumental values end and their terminal values begin (the values with reasons and those without).
Instrumental values can be modified and updated according to evidence. For example, it seems banning guns is an instrumental value related to decreasing crime, so it is easy to change one's position if one is shown evidence that banning guns does or does not decrease crime. The imperviousness of the pro-life stance to rational argument indicates to me that the value to protect unborn babies is much closer to a terminal value.
I suspect pro-life advocates aren't giving their real reasons for being pro-life because the real reason doesn't sound like a reason that could hold up as well in argument. It might be something along the lines of, 'Babies are special. I want them to be given special status in society so that taking care of them is each individual's and the community's top priority.' I think one way to test this is to ask someone that is pro-life if such a situation would be utopian. (That is, if a described situation would be perfect despite other negatives. For example, if the special status in society is what they're seeking so they don't mind as much if babies die due to unpreventable non-human causes.)
Note: I just gave the first example of a possible underlying moral principle that I could think of and I wouldn't guess it's exactly that. You would have to navigate towards the answer as people thought about what exactly makes them feel squicky. There could also be population differences. Some people may want protected status for babies, some people may want infant mortality to be minimized, etc.
Second note: Giving this putative terminal value for being pro-life has just moved me to be more pro-life. I now hypothesize that people with pro-choice positions may be more skeptical about the ability and appropriateness of using rules to enforce a social value. I find that the value I listed above gives me room to still be pro-life even though I observed upon inspection that I personally feel indifferent to the possibility of a miscarriage as long as I eventually conceive a healthy child.