She is not only a princess. She is also a teenage girl in love.For a princess she's too emotionally unstable
Do you think that makes him too smart for the job?He has no flaws? Let's maybe start with the fact that he's a naive cretin.
In other words, someone who would be terrible as a governor, and thus completely under the count's control.That is a position for a researcher, and they stereotypically tend to be bad with people.
I've never been a count, or even a boss, but I imagine an atelier meister who is bad at governing would be less "under the count's control" and more of a "loose cannon". He's take the count's reasonable suggestions, and turn them into something weird.In other words, someone who would be terrible as a governor, and thus completely under the count's control.