The mysterious part is not the square norm, it’s that the universe looks like it conspires to present apparently non-local phenomena like the projection postulate as fully local. You can handwave it with many worlds, but it does not dissolve the mystery.
The mysterious part is not the square norm, it’s that the universe looks like it conspires to present apparently non-local phenomena like the projection postulate as fully local. You can handwave it with many worlds, but it does not dissolve the mystery.
I don’t think that’s what Eliezer found mysterious about the Born rule.