These kinds of issues rarely make rational sense. Give her time; she'll get there if people are patient with her.

"So alchemy is separate from magic?" Now it's getting confusing. "Oh, no, I wasn't thinking it'd be useless, I just want to understand what is and isn't possible. It sounds very useful. I think that's what I'd like to learn first."

Learning Azerothean ice magic and Tamrielic healing magic at the same time? No problem. What could possibly go wrong?