Agree 100%Who are the sheep dogs? They keep the flock together, but basically they serve the purposes of the man who owns the sheep. They drive the sheep to sheering, castration, and slaughter. They do not have the best interests of the sheep at heart but the interests of the man who owns the sheep. Poor metaphor is all I'm saying. Get a new metaphor is all I'm saying. One that makes more sense.
He should call them Leukocytes protecting red blood cells from the evil pathogens