An earlier draft of this post that Sam sent me had "nearly everyone can help there". I'll ask him to put it back. But it's not like this is much of a barrier. Even this one comment moved you significantly (as of right now at least).
Just curious, but are you saying that because of the relative position of the parent's comment in this thread, or is there a threshold for karma that unlocks seeing the karma on comments other than your own?
So I guess I am not able to help.