User blog comment:Rejuvenation/ERA/@comment-1248963-20100421031333

I don't intend to offend you but find this proposal not likely to get through. I know you wander the blogs, so you know that opinions on chapters are way too varied. One may think that Aizen is the best villain ever, and one (such as myself) may think that he's too overpowered, and that his wiping of the Gotei 13 was ridiculous and terribly hurting to the story. Thus, having an homogeneous rating for every single chapter and episode would be nearing impossible and would possibly cause unconformity and fights among the users.

Another point is that such a rating would be completely fan-based and would have no canon base, so it would basically add nothing to the wiki, which has the point of being a Bleach database rather than a place to speculate.