I went from 100 to 50 in like 3 hours playing BO2 as I was on top of leaderboards in every single game going 55:7 and so on. Those kids blame me for being "pro" in every single game I play xD
It wouldn't be the matter if you could still play with a rating of 0, but these senseless reports just because they are not as good as other players are ridiculous.
In my opinion a player should only be able to report another player once in a lifetime, just like on XBL. AND there should be the possibility to prefer a player, just like on XBL, also. And if the rating goes below 30 some Mods should check if those players are doing something illegal as there is a specator mode in BO2 e.g. this is pretty easy. And if there is nothing to blame about they should reset it to 100.
I don't know if it's too difficult to make it true, but I have high respect to your work and that would be some good basics in my opinion.