Trolley problem seems simple. In situations like that, I see no reason why we can't take the number to the extreme. When it's 5:1, it's a little tough on the "should I intervene" on the surface, but what if it were 1,000:1? A million to one? What if the entire human race (except the one dude) is eradicated if you don't switch, or just one guy dies if you do switch?
It's an easy choice when you take it to the extreme. Because of that, even though the decision is more difficult when the ratio is closer, it seems pretty obvious that a person should always switch as long as we have absolutely no information about the situation other than "pull the lever and 1 guy dies, don't and 5 die."
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