Yeah, a lot of people don't understand how little oversight there actually is when it comes to the maintenance of cargo ships, and how hard it is to enforce the bare minimum.
Most shipping companies are untrustworthy when it comes to anything that might impact their profit margins.
lol, there actually was a few, but that is back in ye old days. 1968 - Otto Hans. 1972 - Mutsu. 1988 - Sevmorput (only one still running - but planned decomission is apparently in 2024)
Well, they still have a ton of greased up machinery below deck and they still need to properly store and dispose of bilgewater, so not perfect by any measure, but still way better than any other type of shipping.