I think everyone is forgetting or not noticing is this:
Yamamoto apparently just KILLED HIMSELF TO STOP AIZEN.
And in response, Aizen receives all of a Flesh wound that is instantly healed.
Kubo killed THE most Badass Character in Bleach, to prove, what? that Aizen is strong?
Also, note Aizen's face in the close-up on Panel 2. It looks almost nothing LIKE him. It looks more like a girl or a Jester then Aizen.
I mean, if he seriously just died, that's so stupid. I mean, a guy who Aizen admitted is stronger then him, and he dies for all of 'Ow. My arm. Oh, it's okay, I have Absorbed something that's powers are insanely undefined but apparently can both give Shinigami Hollow Powers, Hollow Shinigami Powers, and combine with my body without making me a Vaizard.'
I also have to wonder what was going through Kubo's Mind at this page:
I seriously got a 'This just turned into a Slash-Fic' feeling when he's holding the Reitsu and complimenting it like that. The only thing that was missing would have been if it was gooey looking