Ask any damane and they believe they should be collard, that their too dangerous to be let loose. The fact is when you get down to it, it's a matter of culture. Yes, you believe it's reprehensible, but the Seanchan believe it's reprehensible to let channellers wonder free.

As for the Gai'shain the Shaido broke precedent, unless your saying that Faile, Morgase and Alliandre were glad to submit themselves?