But yet, physical objects (missiles) go through shields. The sheer volume of missiles meant that an (IIRC) already damaged SSD could not shoot enough down to prevent critical damage. Maybe some of the crew had had family or friends on board the Executor and remembered that incident when a lone A-wing managed to strike a vital system.

TBH, the ISD/SSDs were more a means of striking fear through size than practical warships. They were formidable but with the glaring design flaws that happen when you have a sithlord leaning over your shoulder.

But sir, adding extra mass to the ship will only...
Bigger.
I understand that sir, but you must understand that these design parameters and considerations date back to the Sith empire. Simply making a larger ship won't increae the firepower by..
Big. Ger.
Sire, these main weapons are unable to fire forward due to the mass of the ship! A small ship, like a gallofree could easily avoid being hit by staying within the blindspots located here and he..

BIG- GER! (lightning noises)

''Its over. Angel won.''   RSF Gurd