Assurant Damaged Device Returned - Not Recived

Well, now my suspicions are confirmed. I just had the exact same thing happen. I got a replacement phone and sent the old one back. According to Assurant they received the package at the warehouse but now, two weeks later, it still hasn't been "scanned" back in so they are saying that I will have to pay a missing device fee if they don't find it. It sounds like they have a pretty big issue in their warehouse. The rep told me that the scan was all-important because I could have sent back an empty envelope. I'm still trying to figure out what benefit, exactly, I gain by doing that when they have my name, address, phone numbers and credit card information. This appears to be a pretty good scam they have running where they make the customer pay for things that are completely out of their control. I say this because I'm also trying to figure out why a USPS employee would want to risk a good paying job to steal a phone that is A) already broken and B) they have no idea what is wrong with it. I give credit where it's due, their replacement speed is lightening fast, but then to get hammered on the back end of that by them basically treating me like a scammer kind of cuts the enthusiasm of their replacement efficiency. Thankfully it is a cheap phone so I will just send the replacement back to Assurant and buy a new one from T-Mobile, but I will be damned if I'm going to pay Assurant for what is obviously an issue on their end. I'm also not going to pay new retail for a reconditioned replacement phone they sent me. The $50 replacement cost already covers the cost of the reconditioned phone plus what I pay every month for insurance.