Tillman battleships made less sense for an industrial giant

Which proposal was more extreme: Tillman IV or Japan's giant capital-ship concepts?

Tillman IV, because American shipbuilding capacity favored producing more ships, while Japan had a clearer reason to compensate for expected numerical inferiority with an exceptionally powerful individual ship.

The American Tillman concept appears less rational in this comparison. Japan expected to fight while outnumbered, so concentrating power in an unusually large battleship at least followed its strategic problem. The United States already possessed many yards and the capacity to build a larger fleet. For an industrially stronger navy, several capable ships offered more value and resilience than one extreme hull.