faiuwle wrote:Whether it's wrong or not doesn't suddenly change, just your assessment of whether or not it is a necessary evil. But lets not have the we-are-all-sinners-anyway argument again.
Depending on your system of ethics, as I said, it either does or does not suddenly change. Ones in which it would not suddenly change, given a change of circumstances, would be, i guess, deontological or virtue-ethics ones. Or an *epistemically rational* utilitarian ethical system *with full information*?
With regular utilitarian ethical systems in which a thing is good or bad on imperfect information, a thing can very easily change from being good to being bad. This is very confusing and doesn't really happen very often -- suppose you have a Jew in a box and a Nazi is holding a gun to your head and telling you to press the poison-activating button on the side: it is quite possible that it is a bad thing to press the button. If, however, Ascended Apotheosised Hitler suddenly descends from the sixth astral plane and makes all the Jews in the world dissolve into nothingness, you would have to have a very strange reason to think it is bad to push the button if the Nazi is still going to shoot you for not doing so.
This is where rationality helps if you take a utilitarian ethical system, since by integrating as much true information about the world as you can into your model of the world, the universe is unlikely to pull unfortunate switcharoos like this on you, and you can be much more sure that later-you, or aspects of you, or other entities whose judgement you care about will not think you fucked up.
faiuwle wrote:I don't really see how "useful" is any different than "having utility", TBH
Neither do I, which is why I don't see why the "necessary"/"useful" distinction is... useful.
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useless useful/having utility necessary
What is the point of this diagram? All options in a choice have utility, or at least a change in utility. This can be positive, negative, or zero.
You err in hinting that only stuff in the middle has utility, since in using the line, you suggest geometrically what is suggested analytically in the idea of utility -- an ordered set in which some things have more stuff than others, where things at one side of the line [and so things that have more stuff] have more utility, and things that are at the other side of the line have less stuff/utility.
[NE: out of spite and for the sake of rationality, the jew in the box is Whimemsz]