I'm not saying that isn't their motive. But what all this is glossing over, is Carol's unequivocable statement which can't be backed up.

People go to presidential campaign rallies for a lot of reasons, quite often to see someone they hope will be the next president. That is a significant phenomenon in this country.

Why must THAT motive, or many other reasonable motives, be dismissed out of hand?

Answer: it might not make the Obamamaniacs happy, because it could result in people going "off Obama message".