These kinds of articles give me the creeps. As interesting as the science is, I imagine this also encourages a bunch of silicon valley millionaires and billionaires to essentially become vampires.
This old-eating-the-young thing has been going on for time immemorial. It's encoded into our mythology, of Saturn eating his children so that they wouldn't usurp him. And it's not just our (i.e. Western) culture either.
No, It’s because Peter Thiel was (perhaps still is) reportedly interested in it, and that was a big enough story to be eventually lampooned by the comedy show Silicon Valley.
This is why the SV billionaires need to create the metaverse. The matrix had a the right idea, just keep the young plugged in to VR and use machines to do the dirty work.