I have brought this up with Jimmy both publicly and privately countless times and yet the same mods are still there doing (or not doing) the same things. There's mods who post as little as 3-4 times a month, sometimes even 2 times. I notice whenever I complain about it they will make a few posts...
A few major problems with moderation myself
1. I find moderators are usually picked from people who aren't really part of the community. While they often become part of the community afterwards, there are many who do not. I think there's this view of a lack of bias but it just generates more...