Rangerfan1982, It mostly comes down to Trader Rating in my opinion. In your case it has no effect but, for example lets look at it this way:
say Trader "x" has made 30 Trades on The Bench and has a 4.7 overall trader rating. Trader "x" has the MSF avatar because his trader rating is so low. Trader "X" wants a normal avatar, and figures if I can get 30 Straight 5.0 feedbacks then I will have an overall rating of at least 4.9 if not back to 5.0.
He then posts a bunch of "trades" that should be free cards of some sort, and recieves ratings based on something he shouldnt be getting ratings for. Boom his trader rating is higher and he is no longer required to send first. Now, turns out Trader "x" is a shady dude, and just wanted to get the MSF avatar gone so he could rip people off. No he posts a bunch of high dollar trades over the course of a day or two, waits for the cards to come in and disappears.
Basically the abuse is of the Ratings system, which most traders use as the only tool available to them to judge another traders trustworthiness (<made that word up
) I know this example is extreme, but the integrity of our rating system is the biggest concern for this.
I for one pride myself on my Ratings, whether it is here on the bench, ebay, or any other site that has a feedback rating.
Our feedback system is unique as far as the 4 different categories (which we had long before ebay did) and is a great tool to use when deciding if I want to make a particular trade with any particular trader.
hope that makes sense.
-Nick
EDIT: Pete's explanation was quicker and much less wordy than mine