> Mail delivery does not have such structural limitations as you can see literally from the existence of UPS and Fedex. Incorrect. UPS and FedEx do not deliver

> Mail delivery does not have such structural limitations as you can see literally from the existence of UPS and Fedex. Incorrect. UPS and FedEx do not deliver everywhere. If it is not profitable for them to do so (e.g. in rural areas), they do not deliver and instead give the package to USPS. This is the public service part. > Why is USPS consistently bankrupt? Google “USPS pension obligations”.