The Navy says that the harsh environment in which they operate degrades their ships, but in reality the corrosion is caused by the sailors who try to piss directly into the see, to avoid meeting transgenders in the bathrooms. The shape of the hull is not optimal to hit the target.

I don't understand it, it was made with the finest Chinese steel

The thing was a testbed for new technologies and had some serious issues spring up, which is typical for prototypes. Even with that hair-raising price tag I bet some people consider it money well spent.