Indeed, that's why I said it wasn't conclusive proof of anything. But it also seems like a bit of wishful thinking, that it isn't more than proximate. There seems to be a strong psychological need for people to feel like more than their biology. We have centuries of faith and myth that put us as central characters, and heaven-bound spirits.
I can carefully drop liquid reactants on a storage medium and induce nontrivial and reproducible changes in any computer reading it. That doesn't tell me how digital storage works, it just says I'm proximate to the process.