It's one of the most significant open source messaging systems that exist today. Anyone can audit it at any time.
What more do you want?
What more do you want?
You described the goal, yeah, that would be pretty wonderful, like unicorns, flying pixie dust and other things that don't seem to exist as of yet.
And I don't use them. I grab the posted sources and use them on hardware I physically control. If (I'm not, but I do care about my privacy) I was someone that was being pursued by one or more governments/well-funded private actors, I wouldn't use any communication platforms hosted by others.
As the old saw goes: "Three can keep a secret. If two are dead."