It's very unclear to me why Second Life v2 would be of interest to more than a tiny sliver of the population. The last thing I'd want from Facebook is to turn into a more immersive experience.

>Accelerated by the happenings of the last 2 years.

How? A fair number of people prefer to shut off their video on calls. And my observation is that coming out of COVID people want more in-person interactions, not less.