But I think both of these articles gloss over the fact that end-to-end encryption has never been shown to work in a real system with normal people. Key management is a completely unsolved problem.
If you don't have e2ee, with current tooling most people will need someone they trust to run their server. But then you run into a privacy paradox: most people have more content they would rather have google looking at/training on than someone close to them looking at, than the other way around.
Personally I think the next step forward is improving software to be more turnkey so everyone can run their own as a GUI app on an old laptop or phone.
That said, we definitely need protocols for sharing stuff.