You happen across a skyscraper with a politically charged message on its façade that you disagree with. You can either: A) Paint over it. B) Surround the ent

You happen across a skyscraper with a politically charged message on its façade that you disagree with. You can either: A) Paint over it. B) Surround the entire space around the message with hundreds of other messages -- lies -- in the same style and color, designed to sway people to an opposing ideology. The same effect has been achieved in both scenarios. Which is more insidious?