Her adoptive father was called "a fool" by his own father. Because of his unwillingness to asses information available to him as a noble. "Gossip" knowledge was proven necessary, wasn't it? There are intelligent people who are not affiliated with either party throughout this manga- her own...
When is she going to understand that at this point, knowing more is probably going to help? She's standing there next to the emperor like everything is cool, something is obviously about to happen and you're not helping yourself by not gaining information. She thinks keeping her head down is the...