User blog comment:FairyRaven/Fairy Tail Chapter 337: The Golden Plains, Review and Commentary/@comment-112.198.249.25-20130629134349/@comment-15267891-20130630100536

That's why it is a theory, and i didn't say that the dragons forgot. I just think that they will only remember what they did after the manipulation wore off and that kind of manipulation magic is different from what Ultear used on Jellal...