Why the Sea Control Ship was not truly cheap

What are your thoughts on the U.S. Sea Control Ship concept?

Its smaller hull does not avoid the expensive machinery, electronics, training, and support system, so the promised savings are easily overstated.

Steel and hull volume are relatively cheap compared with machinery, sensors, weapons, aviation support, and the trained organization needed to operate a carrier. If a navy already builds large carriers, adding another large hull can be more economical than establishing a separate small-carrier system.