Like I've said, I'm not really a fan of really just anything to do with magic, and I feel that tends to be reflected in my characters. I can still work with the trope and enjoy roleplaying it, though, and I don't want to be the one holding everyone else back. Plus, I still have a way to have my cup of tea, with Conversion Crisis and all.
As for a motive, it could be a mistake. Some little girl, whether accidentally or not thinking of the consequences, does this and flees when afraid that she'll be confronted. This implies a different setting though, one where magic and such is slightly more 'normal', which leads into my next question -- What would the setting be like, or should it even change that much?