Flares, ubitiquous? If combat ships (why do you even take non combat ships into consideration, you will never see them in combat on your side lol), only Hound, Wayfarer (iirc) and Apogee use them.
It does feel like people want the Vigilance to be not the Vigilance.
Vigilance would have to be 3 DP, if it remained as it is. It's a kite that trades mobility and so survivability for more firepower, except this firepower isn't enough to make them competitive with Gryphon or Falcon P.
But Omen is the anti fighter escort already, why make Vigilance the same thing?
Why does Monitor has 2 flak cannons if Omen is the anti-fighter escort already? Fleet support frigates need to be able to fend off fighters somehow. Vigilance doesn't have weapon mounts to do that, so the system has to take care of it. You could give it a built-in heavy burst laser or something, I guess, but that's a more invasive change.
Ironically, Monitor doesn't need any PD at all, since it can just tank fighters, and missiles... I haven't used Monitor much and I never really cared for its flak. It's there to tank damage, not kill anything.