McLuhan Reading

Perhaps I am missing the boat here, but tend to agree more with "General David Sarnoff" when he says, "We are too prone to make technological instruments the scapegoats for the sins of those who wield them. The products of modern science are not in themselves good or bad; it is the way they are used that determines their value.” McLuhan goes on to assign a "good" or "bad" value to something based on how it is used, i.e.: "If the slugs reach the right person, the firearm is good." I do not believe that this what Sarnoff is saying. I think he would argue that how we use things like, guns, print, light bulbs, etc... doesn't reflect a moral value on the item being used, but the person using the gun, print or light bulb.Value, doesn't mean you imply a moralistic judgment. These things, are simply tools.
Perhaps, I gravitate more to Sarnoff's statement more than to McLuhan's argument because understand fully (or at least fuller than I do McLuhan's), and perhaps I am hyper-cautious to give medium that much emphasis/power. It seems McLuhan is greatly emphasizing the medium, over the people and makes me leery to step in line with him.
Then again, maybe I am missing the boat.