Earlier quoted context omitted.
> How do you know how they got there? That implies so much prior knowledge and background that isn't really considered in the oversimplified "choices" in the website. Maybe they were forced to tie themselves to the railroad at gunpoint, or maybe it's a weird death-by-train suicide cult. This kind of reasoning really defeats the point of the thought experiment, which is to construct a scenario where those consideratio…
I disagree - I think that "reasoning about moral intuitions" is completely useless if you're attempting to reason about them in utter isolation and with the assumption that the subject is omniscient. It's like economists assuming perfectly reasonable actors in markets, or physicists assuming a perfectly spherical object that ignores wind resistance. They're toy problems that don't match reality at all, and the value…
All models are wrong but that doesn't make them useless.