So let's be clear here: the only fans the movie-makers are supposed to be catering to are those who have read every single episode of every comic and fan fiction known to man, those who made it their life's work to critique comic-book writing as if it were an art form. And they are supposed to ignore the other 99% of the population in doing so. And if you haven't read everything contained in that particular mythos, you have no right to an opinion.
Gotcha.
No. That's not what I said at all.
In fact, from everything I've heard (I didn't see it) part of the reason Green Lantern was so terrible is that in engaged in too much fan service. I will never take the position that those who are deeply entrenched in the mythos aren't allowed to have an opinion. That would exclude even myself from many of the comic book films and adaptations that are out there since I only read a small slice of what is published. In fact, I think if you read my post a little more closely and with less self-seriousness you'd realize most of the post is designed to poke fun at the goofiness of Batman comics generally and not at you specifically.
What I did say is that your blanket judgment about a particular character "never" being particularly well developed and generally diluting the Batman story is based on very outdated information. There's a difference between saying that you have to have read everything and saying that the opinion means more if you have a passing familiarity with the last 25 years of publication of a particular character.
In fact, that differentiation of information depending on the context of time was the basis for my initial response to Numberica with respect to the idea that I had no idea how to respond to criticisms of the character because it was possible, even likely, that everyone was talking about a totally different iteration of the character. Your judgment that Catwoman is, per se, a bad idea to add to the film is based on experiences with the character that occurred before I was even born. The vast majority of my experiences with the character took place in a universe that you've never inhabited. There is no rational point of comparison for us to even discuss what catwoman brings to the table.
Given all that, my only point is that maybe you shouldn't be so hard-set in your idea that the character sucks and will be a drag on the film. She's not my favorite either, but we really have almost no basis to determine what Anne Hathaway's character will be because the publishing history to draw from is so variable. She could be a brothel madame (there's basis for that), a millionaire heiress (that too), a romantic interest (tons of that), a basic villain catburglar, etc etc. We truly have no idea what narrative role she will play. Any judgment you, or anyone else for that matter, could draw based solely on the name "catwoman" comes from a pretense of knowledge.