Large battleship guns and the appeal of a 170-gun four-decker

Are 21-inch-gun battleships comparable to a proposed 170-gun four-decker as status symbols?

To an extent, although the 21-inch-gun battleships in this scenario are more likely to be built.

The comparison treats exceptional size and armament as expressions of naval prestige. It has a limit: the projected 21-inch-gun battleships are considered more likely to be built than the proposed 170-gun four-decker.