User blog comment:Soulreaper1234/Why Do Ichigo & Aizen an Overpowered Hero & Villains?/@comment-44061-20100828163731/@comment-1932702-20100828164540

I think Kubo's going the down the road already taken. I think he wants to indicate that, as it happened in DBZ and is happening in Naruto, the power levels we use to distinguish characters are constantly increasing. Except he's not getting it all too right.