No, (apparent) ambiguity works fine, as long as the recipient of the message understands it. The Mafia can put a brick through your window, and you know what's going on, even without them signing the brick.
Only if you recently did something that you know the Mafia hates. If I got a brick through my window right now, my best theory would be that they got the wrong window. What would yours be?
Only if you recently did something that you know the Mafia hates. If I got a brick through my window right now, my best theory would be that they got the wrong window. What would yours be?