I think he's come to peace with the fact that he paid $44 billion for an unprofitable messaging platform and he's not going to be turning it around. He's now giving up on the concept of short-form pub/sub text messaging and instead hoping he can just capture those millions of logins for a completely unrelated platform (i.e. some hazy crypto payment stuff). This is a web property that for whatever reason, he was never able to build himself.