Kind of a "draw the rest of the fucking owl" step there at the end.
Also the form of the sprites changed significantly, it was a massive shift in artistic personality and aesthetic direction that the tutorial just called it “not using straight lines”. I think they could have made their point while not swapping in a different set of tastes entirely.
"part of what I enjoy about art is admiring craftsmanship - the skill and knowledge of the artist at work."
I'm a devrel person my art is writing tutorials and guides. And this one is a very naive approach at it.