Customer ordered an expensive device, sent tracked RR355808104CZ and USPS delayed delivery and misrepresented the tracking status during their infamous Jan/Feb/March breakdown disaster with incoming mail from Europe, more of which can be read here https://www.etsy.com/teams/7718/questions/discuss/15970718/page/12 and here https://www.change.org/p/usps-redefine-the-tracking-policy

Customer refused to believe us and filed a payment dispute instead, against our T&C which state that we publicly blacklist the customer in such cases.