This is key. Both parties need to trust that their messages are staying within the realms of WhatsApp itself, and with the usage of disappearing mode, not leaving any traces of a conversation.
They should probably be using encryption within the chat itself (and not, you know, speaking in plain English) to add another layer. Perhaps changing the keys frequently via an agreed method (thinking about how to do that safely without leaving another trace) to render older messages 100% undecryptable.
But yeah, chances are all of that data is going to be accessed and they agreed to it! It's right there in the privacy policy people don't bother reading
They should probably be using encryption within the chat itself (and not, you know, speaking in plain English) to add another layer. Perhaps changing the keys frequently via an agreed method (thinking about how to do that safely without leaving another trace) to render older messages 100% undecryptable.
But yeah, chances are all of that data is going to be accessed and they agreed to it! It's right there in the privacy policy people don't bother reading