seconded. It doesn't sound like practical security that would help anyone, but like a bunch of snake-oil mumbo-jumbo written by "growth-hackers" without a clue.
I get the theory but until there is actually a quantum computer that can break it it would be more helpful to talk about threat-models or operational security. because crypto is hardly what anyone with brains will try to break to steal your memes.
much more worried about terrible security of MIME parsing.