Is it even open source?

According to them, when they added a similar registration process and requirements for the playstore they saw a SIGNIFICANT drop on malware.

Not even ai

Doesnt thunderbird have irc integration?

Xkcd

Storing and serving 4/8k 60 fps video is extremely expensive. It’s not like twitter where you could run it of a phone if you wanted to.

Private and anonymous are different things. While anonymity does increase privacy, it is not a strict requirement. So it this private, but not as private as possible.

The best private messenger IMO is simplex, but it not production ready yet