I think that having a specifically stated expectation will help! I feel that "favoritism and tyranny" might be a bit of hyperbole? :) But I think to avoid the feeling of favoritism or tyranny, on anyone's part (mod or participant), let's just have a clearly stated expectation. I'm all for that!

Hopefully you can count on a couple of players making posts on their journals about the new feedback rule. (I will attempt to make posts about that during the years that I play.)

I hope that I am helping and not making more work for you! Please do not ever be afraid to tell me if I'm being inadverently unhelpful. That's never my goal and I'd rather you tell me so I can change course and help out instead of making it worse for you without realizing.