e bay B.S.

anyone else notice that the sellers NEVER leave feedback until the buyer does? i just bought some thing that was delivered today. i paid for it on the 29th. the seller still hasnt left feedback. thats bs. if i sell something i leave positive as soon as i get the $$$ as long as its on time. i imagine that if i would have left neg feedback on this guy he would have done the same even though he got his money on time. just ranting sorry