Cameron's an actual legitimate Seer (I figured it would be handy for a mod to be in control of one of those), so he has a good excuse, and he can agree with her that the class is probably pretty useless for a lot of people. Also, he doesn't have a lot of disposable income but Arithmancy's not quite as easy for him as he hoped it would be so he might hire her from time to time.
...and Nora's going, "Merlin, my mortal enemy's unpopular." Because she should totally be important enough for popular enemies.
Yeah, Lottie kind of annoys people sometimes. In fact, this happened recently.