Earlier quoted context omitted.
I am extremely impressed. I literally put my hand fully in front of my face, and it got me spot on. My glasses were partially shown, as was my beard and hair. That being said, the resolution is such that saying messy hair, full beard, and black glasses, would pretty much get it.
He's probably feeding the webcam pic as img2img no? That'd get you the most details from the original picked up by the AI
I think it’s simply a matter of it assumed a person, found glasses, and a bit of hair above and below and filled in logically.