The problem is that no one can compete with YouTube. YouTube offers free 8k video hosting for everyone. And you have a relatively small number of ads. It’s basically impossible for any other video hosting service to provide this all for free.
With e2e encryption, you don’t need to trust the server, you only need to trust the clients.
Maybe, but this was a huge increase in usage. Reddit never expected to deal with anywhere near thousands of subs going private simultaneously.
Reddit didn’t design their systems around needing to deal with a huge number of subs going private all at the same time. It’s not surprising that it caused a short outage.
Hashing only works if the website stores their passwords correctly. If a single website you use doesn’t hash passwords correctly, and gets their database leaked, then your passwords will all be leaked. Changing a few characters per site may help a bit, but it shouldn’t be relied on.
Also, if you’re worried about the host shutting down, you should try bitwarden. It’s completely open source, and you can self host it if you want.