I've yet to see anyone else mention it but my theory: Messaging is build on focus groups, and tweaked to get the best results by both sides. That group is the

I've yet to see anyone else mention it but my theory: Messaging is build on focus groups, and tweaked to get the best results by both sides. That group is the same group that does polls. Its a Goodhart's law in action: Any observed statistical regularity will tend to collapse once pressure is placed upon it for control purposes.