Whoever gets to define what "misinformation" is, is waging a war against those who don't have that power. The ancient Romans defined misinformation as anything

Whoever gets to define what "misinformation" is, is waging a war against those who don't have that power. The ancient Romans defined misinformation as anything that contradicted paganism or the statement that the emperor was a god. That didn't work out well - eventually. Pick your favorite civilization and you can easily see how the powerful elites use this misinformation argument to push around those who disagree with them.