Another example of how centralized messengers are more vulnerable than decentralized, end-to-end encrypted networks, where anyone can run a client. To clarify

Another example of how centralized messengers are more vulnerable than decentralized, end-to-end encrypted networks, where anyone can run a client. To clarify how regular people could get access to a client… any https website could host a front end widget, for instance. Easy delivery via web browser (which is general-purpose enough that it can’t ban all possible widgets and hard to ban).