Hey guys,
I watched the Halo 4 multiplayer videos by MLG, and to be honest I don’t really understand how this AA can be seen as overpowered.
Isn’t it only useful against players who crouch, stand still and/or are quite far away from your actual location? Yes, I must admit that its range has to be shorter, but besides that I don’t really have anything to say about it.
As I was watching the MLG-players I noticed that most of the usage of the AA was actually unnecessary, most of the enemies they were engaging were clearly visable on the radar.
And as far as I know, 343i is planing to make the player who is using the AA visible to all who have been hit by the Promethean Vision with some sort of red laser. Besides that, other AAs like Active Camo or Hologram should easily trick it.
Active Camo:
When using Promethean Vision your sight isn’t detailed at all. You see redish and blueish colors, and I assume with Active Camo you can’t be seen by it aswell.
Hologram:
Due to the undetailed sight you can’t really tell what a hologram is and what not, so you can really be fooled by this AA now.
Well, maybe I just missed something, but if I did I know you guys would correct me! 
Thanks guys,
0409