I can assure you it does the same thing to alpha core remnant cruisers. I've farmed remnants pretty extensively, and while the destroyers pack a punch, they go down pretty easily. Radiants are the only thing I'm seriously scared of while flying it, but if my fleet gets them high on flux, I can usually dash in and finish the job, or at least do a bunch of damage and get out, and I can easily kite them.
This is my point. Aurora is 30 dp. Since new version tend to force you to fight underdeployed, you are supposed to be capable to punch above your weight. 40 dp for the target is a good measure. But the target itself doesn't represent the remnant 40 dp ship. And that would be Radiant. While Fulgent is 11 dp only.
Fulgent also has a tie with the Scintilla for the worst Remnant ship you can get for yourself. It's got the same mobility and ship system as the Sunder but has terrible flux dissipation, too many weapon slots to properly fill and too little OP to do anything with them. The Sunder beats it on every metric apart from shield stats and hull integrity
About the Aurora, I love it as an AI-driven ship. I also Overriride it, Integrate SO, Hardened Shields, Hardened Susbsystems and give it
-Front shields+Accellerated shields
-4x IR Pulse lasers
-1x Ion beam in the front medium hardpoint
-2x heavy blasters
-6 PD lasers, the back medium slot is empty
I end up the setup by getting enough flux dissipation thru vents to fire all weapons and keep the shield up a the same time, then dump it all into capacitors
A 2x Sabot MRM, 2x Blaster, 4x Ion Cannon version also works amazingly well if you integrate SO, hardened Shields, Expanded missile racks and not give it accellerated shields (cause it gets short on OP), It probably works even better than the first interation but I sadly did not go up the technlogy tree twice in the campaign when I ran my Aurora Fleet.