What wing-turrets like that DO end up doing though is make for a ship that really likes rolling- the weight on the flanks makes for a tough time in rough seas, one of the reasons the British were so happy to get away from doing that with their later dreadnought designs (and eventually the Germans as well). It also, obviously, means that portside wing mounts can't fire to starboard and vice-versa, so that's not particularly ideal- I always wonder what at must have been like to be in a far-sided wing mount on one of the dreadnoughts at Jutland, waiting for a shell to crash in and kill you but not being able to do much to fight back.
There are advantages to it too, of course, otherwise no one would ever have done it. One thing it does is move those midships gun mounts out to the sides instead of along the center (such as the midship mounts on, say, the Arkansas or Fuso), which means the area used for the boilers and engines aren't being used for ammo hoists and such- that means the ship isn't as cramped in the middle, and doesn't have to be as long. That in turn means a shorter armor belt, and thus less weight having to be devoted to a long belt- which means either a savings of weight that can be used elsewhere, or simply a thicker belt than you otherwise could have done for the same weight. The Nassau, Germany's first dreadnought, paints this picture pretty well for an early dreadnought design- she's stumpy compared to her foe across the North Sea, but much tougher thanks to the hexagonal arrangement of her guns. She also can only point eight in any direction at once, of course, which isn't ideal. She's shorter than Dreadnought because she moved guns to the sides, and thus made for a more compact arrangement. However, the Americans accomplished the same with the South Carolina- eight guns pointed on the broadside, short and stout design, etc. despite only using four turrets instead of six- superfiring turrets made for a greater metacentric height, but a far more efficient way of doing things.
(Nassau, from an airship, showing her unique arrangement)