I haven't read the original paper, but (speaking as a physicist) I'm always skeptical when physicists leap into extremely different disciplines and claim to have a grand insight that its specialists have never considered before. It could always be true: physics really does have a lot to contribute in many areas! But the burden of proof is very, very much on the physicists to justify the relevance of their approach. I…
I've got like, an undergraduate understanding of how this works. Does anyone have a link to an ungated copy?