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I agree with Zeh, as I posted elsewhere http://www.ijqf.org/archives/2144, that “It is even more unfortunate that this confusion seems to be accompanied by a certain amount of prejudice (for or against some kinds of proposals).” I also agree “that we cannot decide between all these possibilities without any novel empirical evidence.” So, my particular “prejudice” is that interpretations lead to new physics, e.g., new approaches to quantum gravity, which can then be tested. Otherwise, it is really just “a matter of [metaphysical] taste.”
As for where to classify Relational Blockworld per Zeh’s taxonomy, I would start with 3b, as a realist psi-epistemic account http://www.ijqf.org/archives/2087. I’m not sure where its adynamical global constraint is located within his further subcategories. Perhaps Dieter would make that assessment for us?