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The lure and danger of extreme examples
One of the main reasons I turned away from modern ethics — either of the utilitarian or of the Kantian-deontological stamp — is that it is both too narrow and too infatuated with thought experiments and increasingly convoluted, extreme (alleged) counter-examples, aimed at knocking down opponent schools, rather than actually being useful to people’s day-to-day lives. In other words, a lot of modern ethics indulges in precisely the kind of things that Seneca warned us against:
“I should like to have those subtle dialecticians of yours advise me how I ought to help a friend, or how a fellow man, rather than tell me in how many ways the word ‘friend’ is used, and how many meanings the word ‘man’ possesses.” (Letters XLVIII.4)
Consider, for instance, the cottage industry informally referred to as “trolleology,” the study of trolley dilemmas. Plenty of professional philosophers spend their careers inventing more and more convoluted scenarios to “test” our ethical intuitions about who we should allow to get hit by a runaway trolley. This has resulted in the piling up of a large literature about situations that will never occur in anyone’s real life, or that — if they did occur — would require a snap judgment based on knowledge of very specific circumstances, not idealized cartoonish thought “experiments.”