You're waaaaay overthinking it. Building whole system of analyzing that at scale is very costly, and totally unnecessary. Amazon, as any other carrier, depends

You're waaaaay overthinking it. Building whole system of analyzing that at scale is very costly, and totally unnecessary. Amazon, as any other carrier, depends on the insurance (self-insurance in this case) and statistics. Some % of package theft will happen, and it's all priced in into their business cost.