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1) I've already told you that that can't explain when duals don't get along. Lo and behold, this "hypothesis" is invalidated by an experiment.
Of course, you can attempt to "save" this by saying "Oh, they must be mistyped... blah blah blah". But then you'd have to explain how exactly is it that they're mistyped!
2) You first have an explanatory theory, then you test the causation via an experiment. Not the other way around.
Because you don't get it, that's why. At least some people like Rebelondeck seems to get it.