Going back through the chapter to find any other, less noticeable issues, I came across a particularly queer instance of Georgie-boy's failings.
As you can see in the picture, Aizen is screaming. There is a hole in his chest that, by all rights, should have him flopping over, and is likely the cause of his screams; either that, or anger. Now, look at the picture again. I want you to think very hard about what's wrong with this image aside from the obvious, and turn in your answers once you are certain.