That’s intentionally. I gave the “like” for the link and the idea - it isn’t bad per se as you can see in the picture with the girl. But I don’t like the results of the tutorial and the “3D pixel art in motion”.
But we don’t know what he is doing else. For example we don’t know if he is doing some contract work or having a “real” job …
You can see similar results in the (original) Full Throttle: For example the bike is a “pixelated” 3D model.
You mean the cell-shading technique? But that’s a different beast.
Not really. With rotoscoping you “redraw” real people. Each frame is hand-drawn. With a 3D model that’s not the case.