I contend that if the options offered are Not sufficiently realistic they don't test anything but the reader's imagination. All of us can pick A.) Kill one to save five or B.) Let one live and five die, but in reality I doubt any of us know what we would do.
In most situations requiring quick thinking, difficult choices, and important actions/ reactions I have seen myself and others make enough unpredictable choices that nowadays I pretty much discount all that as bluster and self-delusion.
Just ask any 17-25-year-old male what he would do in any situation regarding a dominant male or an attractive female ... when sitting around partying with friends there will be one set of answers, but when faced with having to take life-altering action .....
Most "thought experiments" are "What I think I should think" experiments. I doubt most of them yield "meaningful" results.
IMO.