^ nah, he doesn't think we're stupid. I bet he doesn't think about readers worldwide AT ALL.
Why would he?
As you wrote shonen is his target demographic. It's the -kids- that vote for bleach in sj questionaries and make it so popular.
So, in order to gain moar money he has to please them, and not us.
and we know that most kids care more about KEWL STUFFZ than about logic.