And that is exactly the point made in that article. If what you put in that email can get you killed, then don't put it in an email, even encrypted. There are

And that is exactly the point made in that article. If what you put in that email can get you killed, then don't put it in an email, even encrypted. There are just too many ways things can go wrong, and of course they will go wrong at some point. If you need confidentiality you need, at the minimum, disappearing messages, and for that to be the case all the way, you can't rely on decentralisation systems with various implementations. Sorry for interoperable decentralised lovers, that includes myself, but you need control over the whole chain. And email is just the opposite of this.