Hermione does take it personally, but she doesn't lash out at him. She doesn't know him or his circumstances. He could simply be having a bad day or a bad... however long he's had that attitude. Besides, yelling at him now will just make the ram's body collapse on the floor, and she feels bad enough for the poor animal without disrespecting the body like that.

Debating for a moment over how much she should tell him, she explains, "No, though I think I should at least acquire one to practice with, at some point. In my world, we use wands. They're compact and easy to hide, which is convenient when most of the world doesn't know that magic exists."