In ACoS when Moggy gets fitted with a mind trap and meets Moridin he says she accidently did some good, any theories on what the good was?

 

I think it may have been discouraging the wonder girls from figuring out how to detect a mans channelling, but I'm not sure about that.

My guess would be that her knowledge and teachings helped bring the rebels into being a force that could actually challange the Tower, thereby increasing the conflict between the two sides.