No correct answer to this, for as far as I know, no one knows why this is. But we have smart readers, and perhaps some of you would like to speculate?
https://www.youtube.com/watch?v=zcqZHYo7ONs
Bell's Theorem: The Quantum Venn Diagram Paradox
#1
Bell's Theorem: The Quantum Venn Diagram Paradox
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Re: Bell's Theorem: The Quantum Venn Diagram Paradox
#2I find quantum physics to be like imaginary numbers - evidence to me that our understanding & mathematics are insufficient to explain or describe the world around us in all regards. As we cannot explain the wave vs particle duality of light (and other EM energy) then why should it be surprising to see this effect with the polarizing filters? Clearly we do not understand light as well as we would like to think we do!
I have yet to see a paradox that is really a paradox - something that cannot be explained by acknowledging that we do not yet understand the question.
Re: Bell's Theorem: The Quantum Venn Diagram Paradox
#3
John in NM wrote:I have yet to see a paradox that is really a paradox - something that cannot be explained by acknowledging that we do not yet understand the question.
“If quantum mechanics hasn’t profoundly shocked you, you haven’t understood it yet.”
“Everything we call real is made of things that cannot be directly observed.”
"An expert is a person who has made all the mistakes that can be made in a very narrow field."
“Quantum theory forces us to abandon the classical ideal of determinism.”
"The opposite of a fact is falsehood, but the opposite of one profound truth may well be another profound truth."
“A physicist is just an atom’s way of looking at itself.”
“Observations are not independent of the observer.”
"We must be clear that when it comes to atoms, language can be used only as in poetry."
“Understanding quantum mechanics is not about understanding but about accepting.”
"How wonderful that we have met with a paradox. Now we have some hope of making progress."
“Quantum mechanics does not describe reality—it describes our knowledge of reality.”
Re: Bell's Theorem: The Quantum Venn Diagram Paradox
#4I like the last of those quotes the best - it says what I was trying to say much more succinctly! 
I would only add "and paradoxes show the gaps in that knowledge"