There's a big dilemma with using centralized systems for sensitive communication. * You have to use one that is not economically or legally dependent on a juri

There's a big dilemma with using centralized systems for sensitive communication. * You have to use one that is not economically or legally dependent on a jurisdiction hostile to you. * There can never be many different centralized messaging systems that are economically viable because that requires network effects. As a result, there will always be a large number of people who will not be able to find a centralized system that protects them reliably.