If I'm not mistaken, Reddit plans to develop a new chat system, sort of. I remember back when I still use reddit in new reddit, there was a new chat with all my old chats put in some sort of legacy chat categories.
Maybe that legacy chat is what they're planning to nuke? Even then I think it's stupid. I can't even see the difference between the new and old chat.
I don't even need to be federated with anyone