I agree with this, but I don't think it's as black and white as you make it out to be. I think familiarity plays a small factor in it. I know as creative, we are supposed to be impartial and we try to be, but at the same time we do have certain styles and writers that we favour and enjoy reading over others.
Example, if I'm reading two RP's where one writer I thoroughly enjoy, and the other I'm not fond of or don't know very well, and they both write strong RP's, I feel that I may be more inclined to vote for the writer I enjoy more often. Perhaps in this instance it may take an extraordinary RP from the writer I don't often enjoy for me to vote them over the writer I do enjoy, or a weak effort from the writer I do enjoy.
I think it was LL 4 where Triple X was fairly new and he came in with an awesome RP. Falk I think you ranked his at #2, but I'm not sure the rest of us had him in our top ten's. His was just overlooked by a bunch of other strong RP's from more experienced writers. I'm not trying to disagree with you, I'm just saying familiarity has and I'm sure still plays a small role in voting. That's why we have 7 different people voting, to get 7 different perspectives.