Non-Paying Bidders Can Leave Negative Feedback on eBay

How can this possibly be fair? This situation happened to me a few weeks ago.
1) Customer purchases $85 item.
2) Customer does not pay.
3) Unpaid item dispute opened.
4) Customer still does not pay.
5) UPI closed. Final value fee granted. I can’t leave negative feedback – sellers are no longer able to.
6) Buyer leaves me negative feedback.
What is wrong with this picture? How can this happen? Here is eBay’s policy on non-payers and feedback:
“Enhanced protection for Unpaid Item: In addition to removing Feedback left by buyers who fail to respond to the Unpaid Item process, we now also remove Feedback …read more