It could just be for flavour. Making this world seem a little more real...

[ Easy to lose yourselves in. He looks down, frowning]

Hani suggested we might be "bait" for multiple virtual bodies. And...it's not like it's unheard of, for people to reject the physical human body entirely. Maybe the whole purpose is to create a world that's only digital. Here, where all our memories can be accessed by some other AI-like being...I think people would be easy to control here.