I have the same question - what battleship main prefers post-patch battleships, not balance but enjoyment-wise? So far people seem to not enjoy playing them as much really.
Also, I got an answer to power core on Battleships having awful sustain capability (amounting to 2 secondaries regen rate only at a time, or one brawler)
It's so you actually get to have multiple different guns at once and not need e.g. 3 cerbs, 4 mortars spam etc. but have variety of guns for different purpose loaded, makes sense, hard getting used to though