YES! yES! yEs!
At one level there is a perfectly legitimate concern hear about detecting internal security breaches, intentional or otherwise, but still, would you want to allow Hitlary and her RadSurfiNerfHoppers this majikal special power to track down the next innocent Vincent Foster on the order of the BOOGA BOOGA Man!!!
So yes, getting the notion of subversive nailed down might help some. Since sometimes there is a reason that we need whistle blowers.