That is a good question. One part of the answer is freight never gets the attention people do. Since forever "freight dogs" have been a low priority for the FAA. This operation DID get busted, but just in very slow motion. It reminds me of the time back in the day when freight operators bought up cheap old Lears and basically did nothing to maintain them and eventually the FAA grounded the lot of them and they were so far gone maintenance-wise I believe many were scrapped.