Yes, because for large public rooms it makes no sense as anyone can leak the message contents anyway and e2ee is expensive for large rooms.
cryptpad.fr is a decent alternative
It’s very convenient. Can be hosted yourself as well: https://github.com/beeper/self-host . I only use it for non-critical comms. The critical ones I keep on my own matrix server + bridges
Yes, because for large public rooms it makes no sense as anyone can leak the message contents anyway and e2ee is expensive for large rooms.