Response to Rasheena

One of Rasheena's questions today is about the use of mood within the language we are presented on a regular basis. If the kind of language we were shown was more positive, a reinforcement of what is good/encouraged behavior as opposed to restrictions against us, what kind of effect would we see? Personally, I don't think it would be effective at all. Who would follow a speed limit when it was presented as "We'd appreciate it if you'd keep your speed at a reasonable level" on the side of the highway? I just don't see positive reinforcement helping large groups of people--it's too arbitrary and just seems like a bad idea, for this reason: