If they do not ensure privacy in the metaverse nobody would ever use it, they would need to earn the trust of businesses and people so they would actually hold a business meeting in the metaverse.

If you think about it, there's a lot of money to be earned renting out virtual meeting rooms or offices. 

Also insane amounts can be made selling tickets to virtual experiences like concerts and movies, if they can change the way you consume entertainment by serving it inside the metaverse they could swallow up the cinema industry, netflix marketshare and so on. 

"From now on, we will be metaverse-first, not Facebook-first. That means that over time you won’t need a Facebook account to use our other services. As our new brand starts showing up in our products, I hope people around the world come to know the Meta brand and the future we stand for."