This is a question I've asked before, but I'm wondering if there's an updated perspective. Given the human brain is unencryptable, it seems like keeping secrets

This is a question I've asked before, but I'm wondering if there's an updated perspective. Given the human brain is unencryptable, it seems like keeping secrets is going to be impossible. I guess maybe with the advent of AI, you just have device to device communication with no man in the middle in the future?