Sellers needed protection from themselves.
Who do you think reads feedback?
Not the delinquent buyer. He doesn't care.
Not eBay.
EBay has not used FB to assess member accounts for over a decade.
Not other sellers.
Between Fixed Price and Buy It Now, we meet *our customer when he buys.
The reader is your future customer.
How will he react to seeing an attack on a previous buyer ?
One whose identity is masked so he cannot see the buyer's feedback?
If there is a problem, use the Resolution Centre and /or use the social media (Facebook has a good reputation so far) to Report the errant buyer.
Notes:
The phone reps don't work for eBay. They are poorly trained and notorious for incorrect advice.
https://www.facebook.com/eBayForBusiness/ — Message button in upper right on landing page.
https://twitter.com/askebay?lang=en
https://community.ebay.com/t5/Selling/How-do-I-contact-Customer-Support/m-p/32016431#M1783851 -> Automated Assistant, type AGENT -> enter. You will then get more options.
*The only time we FP sellers can assess our customers in advance is when they make a Best Offer, which allows us to read their Feedback Left for Others.
