It's not that counter intuitive. Turret armour is extra hardening of the turret, armour in Aurora is all ablative anyway.
It's counter intuitive that the turrets which are external and outside of any armor belt, citadel or protection on all real warships is put underneath it in Aurora.
It's counter intuitive that the same identical turret design when I put it on my battleship with 15+ armor layers is super hard to knock out while if I put it on my unarmored scout it is super easy to knock out.
I realize that it's a simplification, but I still would love to see some more detail with separate ablative armor boxes for turrets, for outer hull and for inner thicker armored citadel ( I don't care about my crew quarters or fuel storage, but might want the engine, powerplants and ammunition under extra layers of ablative armor ).