Might you have a non-paywalled link?

https://en.m.wikipedia.org/wiki/United_States_government_group_chat_leak

E: A more complete dump with commentaries:

It’s no different from many other chat apps. Select the contacts you want in the group.

There’s no issue with the app, it’s actually among the most secure. The issue is the meatbag behind the thumbs selecting who to put in the chat.

There’s also the blockade that both established parties put up, as they very much enjoy their exclusive duopoly.

Perhaps time for a third party…

Slam it all you want, it means nothing until someone actually does something.