> most of us are not even talking to each other unless there’s a dedicated meeting time for it. This whole thing about collaborating is better in person has never been my experience

Obviously varies by culture. And while I've never worked for Meta, I've been at your Mountain View and New York campuses more times than I care to have been. Everything–including communal spaces–seems laid out for individual work. (This was true before the metamates nonsense, though that obviously accelerated it.)