Hmm, mutter, mutter, Godwin's Law... Well, anyhow:
Hitler liked dogs and children. All in Favor of Dogs and Children Raise Your RIght Hand!
Better yet:
David Duke is opposed to gun control. All Opposed to Gun Control Raise Your Right Hand!
Have I just proven that gun control is a good idea after all, by opposing it to David Duke? Or have I proven that David Duke is a nice guy after all, by opposing him to gun control? Or have I just been beating my gums together for the exercise?
Single-variable logic is not a useful way to go about trying to understand the world. Take just one step beyond the propaganda slogan at hand, and you sink into a swamp of contradictory gibberish. It's good for a giggle when you're preaching to the converted, but don't mistake it for a proof of anything. Since Godwin's Law has already been invoked, I may as well mention in passing that this is just the kind of logic that HITLER used! In fact, it is. That doesn't make you Hitler for using it, though. It's just an amusing observation.
All in favor of making sense, raise whatever hand pleases you. Or don't.