Did you really think they were talking about SSL in this context? Of course they meant E2E.
To say there's no encryption AT ALL when it's fully encrypted over the wire is still false. Not having E2E encryption is different than not having encryption AT ALL.
They are encrypted in the same sense that the Sesame Street website is encrypted.
Group chats aren't end-to-end encrypted, and 1 on 1 chats are only end-to-end encrypted if you make it a Secret Chat.