I'm not normally one for philosophical debate... OK, maybe that's a lie, but I don't do it that often. But I've just read this (Warning: longageness!)
http://teacherweb.ftl.pinecrest.edu/crawfor/apcg/Unit1Omelas.htmWould I walk away? I'd like to say yes - but I don't think I would, in all honesty. I'm not brave enough. I like home comforts too much. I'd like to say I'd do something for the child, but I don't do anything about things I think are wrong within my own society, so why would I do something about that? I would want to, but I wouldn't.
That is terrible and I disgust myself, but it's the truth.
The thing is, even if I was brave enough to help the child, that would simply cause general misery rather than one person's wretchedness. So that's why walking away would be the only option. But on the other hand, walking away would feel like failure. And I wouldn't be able to do it anyway, because I wouldn't be brave enough. It's a Catch-22.
At least, I suppose, walking away into the unknown from there wouldn't mean getting shot or something. This made me think of situations like Nazi Germany and the Holocaust - there are sort of parallels.
Neither Omelas nor any of the parallels you could draw are Utopia by any means in my opinion.