[Well... it sort of is something they can simply wipe away. But she's not wrong that it shouldn't be something they can do.]

Uh, what? Butterscotch or cinnamon? I don't know, I guess I like them both. But... look. I know it doesn't erase the past, but people can change. And I know Frisk would [did] undo all the violence if they could. I know it doesn't make it better. But it's true.