Really? Because that was the worst part for me. To me it looks absolutely and positively synthetic. I mean, it is better than Terrance and Phillip from South Park, but perhaps because it's "close to reality, but not there yet" it falls into the uncanny valley to me.

Perhaps this is similar to how some people aren't bothered by bad kerning (to which I'm fairly tolerant).

You're right. The mouth movement was awful. I have no idea what OP is on about saying it was good. Maybe my uncanny valley is also steep, but nothing about this demo struck me as good.

The tech maybe is good, but I wouldn't know it from this video. The animation and lighting are just awful.

Link in the OP states screen space global illumination was used, which is probably why the part where the character descends below the surface seems really fake. Still very behind Unreal Engine unfortunately, which already supports ray traced "real" global illumination.