No, you can’t do that; you’ve already precluded the idea of “wrong”, right? According to you we both can only like or dislike a killing. And since you can’t reason a person into liking or disliking something, I think your course of action is limited to hoping that I dislike killing.
I said, "Suppose you think that killing is wrong." I didn't deny that you would be mistaken if you thought that, but the fact is that a lot of people do think that. If you think that, but you advocate killing in some specific situation, I am then in a position to suggest to you that you are being inconsistent.
All the words and ideas you use above – “hypocritical, inconsistent, consistent, wrong, right, reasonable” – none of them apply to subjective feelings. Again, you can hope, or maybe attempt the absurd - ask me to mentally/biologically produce the same feelings that you do.
I said all of that in my post. I guess if you like repeating what people have already said, but in sarkier language, then go right ahead.
I can only persuade you if it turns out that we do share some feelings about things. If you and I agree that we don't like it when people are hurt, we can discuss the use of torture in interrogation. If you and I agree that we would like (for aesthetic, or intellectual, or whatever reasons) our feelings to be consistent with one another, then we can have a discussion about that, too. If we disagree, we can't, and that's all.
But then why would you even want me to do that? If you don’t believe your goal of a “happy, healthy society” is “right” according to some external standard, then why is it necessary that I share that goal? Why should your preferences be superior to my preferences? Because a majority shares your preference? Again, you’re limited to hoping - that I like democracy.
I want you to agree with me because I feel that a healthy, happy society would be a pleasant place for me to live. Also, I find that I care about other people; I want them to be healthy and happy too. So if I can get you on board then we have one more person trying to achieve my goal, and that's something that I desire.
I want you to agree with me about killing because if killing doesn't make you feel bad or uncomfortable, you might kill me or my family, and I don't want you to. In fact, I don't want you to kill anyone, because people dying makes me sad. That's why. It has nothing to do with the majority.
And before we get to the question of why you’d want me to accept your subjective preference, why should you accept your subjective preference? If that’s all it is, you could just as easily have the opposite preference. Why aren’t you a serial killer? You’re a determinist, so obviously it’s not your fault/credit that you’re not a killer. It’s another fluky, psychological accident. Meaningless accidents belong in a trash can, not on a pedestal serving as a universal standard.
Why do you want to be happy rather than sad? Look at your question. It's silly.
It makes me sad when you do certain things, and I want you to be made sad by them too so that you'll stop doing them.
Why would you imagine that? Because it feels that way to you?
I think it is not an unreasonable assumption that some people's beliefs and feelings are more influential and more important to them than others. And I think that this can be quite easily demonstrated in psychological study. People tend to be more devastated by the death of a parent than by the loss of a biro.
That’s not what I’m trying because I don’t think your position is absurd; I think it’s untrue, but I don’t think it’s absurd. If it were true, it would be rational, but then my complaint would be that you don’t think it through to its logical conclusion – that in a Godless universe, a small wisp of cigarette smoke has more meaning and substance than the greatest love or hate you’ve ever known.
If you’re going to posit a purely material universe, I’ll hold you to it: I don’t say your feelings are trivial; I say they’re nothing. They’re illusory, ephemeral, electro-chemical nothings.
So?
They are deeply important to me. What further justification do you need?
Human society is built on our feelings. We
feel that we would like to be safe and we would like our loved ones to be safe. We
feel that we would like to own property. Or whatever. There doesn't need to be some grand magical scale by which we measure the ultimate significance of these feelings. They are significant to us, and we're the ones doing the society-building.
I think it entirely removes any importance.
Why, yes. In the grand scheme of things, nothing matters.
In order for one feeling to be more significant than another feeling, feelings have to have some significance at all.
They are clearly significant to me. They have no universal significance, I agree.