[quote=Keyguyperson]
If not regulated. I propose restrictions, maybe it takes down the defenses of the attacker and has a long recharge time?
[/quote]

Extensive energy consumption for any range, and a fast heat buildup due to armor. It's also directional on a big heavily armored ship, so it isn't exactly hard to dodge, provided you know where the ship is and what the weapon actually does. It's not a weapon that does anything physical. If you can send a communications message through the shield, you can send the disruption through. And it isn't instant; at first, more like a piercing headache that takes, say, five to ten minutes to send someone brain-dead. Maybe takes the same amount of time to charge up; if it doesn't charge up long enough, it won't force someone to go completely brain-dead, and would leave survivors that would eventually recover, though their memory may be a bit sketchy of the time around that area. So if a ship is caught unawares, it can't just fire; it has to charge up for the same time it would have to fire.

The Valks aren't cruel; if they're going to destroy someone's mind, they'd want to do it as quickly as possible. Forcing someone through a horribly painful destruction of their brain for an extended period of time would horrify all but the veteran Hunters... which are nonexistent, due to a lack of war or any real conflict.