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Originally Posted by Ken G
One could say that the value of Bell's theorem is simply to elucidate the ramifications of quantum mechanics, but why this somehow is interpreted as throwing quantum mechanics into a tizzy is beyond me because I never attributed that theory with a particular set of philosophical principles based on classical expectations.
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I don't think that many people think that Bell's theorem throws "quantum mechanics into a tizzy". They just think that it shows that quantum mechanics is inconsistent with a local model of reality, and further, that since we now have experimental results in this matter (that unsurprisingly match the predictions of quantum theory), any future theory will
also be inconsistent with a local model of reality. That would have really bothered Einstein, who had hoped to use the assumption of locality together with thinking about EPR-type experiments, to show that quantum theory could not be a complete description of reality. Instead, Bell was able to show that the assumption of locality itself was a problem. It was a big shock at the time, but unless you're still committed to a local model of reality, it shouldn't still be a big issue.