User Activity

I had a buyer who didn't pay, ignored invoice, ignored my emails, ignored the unpaid item case. I ended up closing the case and getting my final value fee credit, but why can't I leave feedback for this time waster?
I paid $12.90 postage for a blanket and all the seller did was tape my address to the front of the blanket's packaging. It has one of those holes so you can feel the blanket without opening the packet before you buy it. No paper or plastic covering. ...