I think it's too late, he bet the company on it and has no other long term plans. With the inevitable implosion of online advertising and the declining interest in FB properties I think they are going to show more signed of struggling next year.
Whatsapp will include a newsfeed before Zuckerberg ragequits the metaverse.
Messages presented out of chronological order so as not to interfere with the ad business.. can’t wait.