AliExpress complaint: Partial refund unjustly decided

Recently I bought a sleepingbag from aliexpress. The sleepingbag came in damaged as the packaging was damaged, it was split in half. A sleepingbag bag that has a hole will affect the insulation of the sleepingbag and on top of that the hole can get bigger and bigger which makes it not durable anymore also there is more chance that bugs can get in there. Aliexpress offered me w partial refund, and I requested many times that i want to return this sleepingbag bag for a full refund. The seller has that as a service. The seller refused and aliexpress sees value in my sleepingbag eventhough i have many good reasons why I don’t want to pay for a damaged item let alone be it a damaged sleepingbag. I have done a dispute appeal and multiple escalations but aliexpress refuses to help me to get a full refund by sending the item back. I think the seller shouldve put the sleepingbag in better packaging and not blame me for the damage of the sleepingbag. I am so frustrated and aliexpress cant do anything, i dont know what to do anymore im hopeless at this point. How can anyone pay for a damaged item, how?