What's the virtue of having more wrinkle maps? Why do we want skin to wrinkle?

It just looks more realistic, right? So when I squint my eyes or I lift up my eyebrows and stuff like that, all these different things, blood is pooling in different areas and I'm starting to get all these different folds. Most characters in games are starting to introduce that, but previously that wasn't really a thing, right? It was just the low poly geometry that was moving. And now, when you do different things with your mouth, your nose changes, blood pools in different areas of the face. So it just ends up looking way better.

It's all the little things that make Seth look real, right? All these little tiny things that he's talking about. You don't physically see them, but your brain picks up on it, right? We haven't crossed the Uncanny Valley yet, but it's much closer because of these little nuances.