I bought an item online. It was shipped, but never delivered to me and FedEx returned it to the merchant. The merchant does not reply to any communications. I h

I bought an item online. It was shipped, but never delivered to me and FedEx returned it to the merchant. The merchant does not reply to any communications. I had already asked Square for a refund before the package shipped (as it shipped 6 weeks late). It took Square three months to even respond to my chargeback request. They asked for copies of all communications and the shipping logs. I gave them everything. They said they could not do a chargeback since the package shows as "delivered" and their script does not allow them to deviate from this. We went back and forth because I thought they were confused about me receiving the package. They confirmed they were not confused and that they fully understood that the package had been delivered back to the merchant and was never delivered to me, but it was still technically "delivered" so it is not possible for them to do a chargeback. After that all their support would tell me is that I need to call FedEx and trick them into changing the status on the package to "undelivered" and they would happily do a chargeback for me. Once we had gone back and forth on this a few times they said they had decided it was better to just terminate my account.