Yeah. Like spraying for pests. And who knows. In some of the stories fairies are really really evil. And it depends on what you mean by fairy. [Sarah is well versed in the world of fairies... at least according to human books.] Like, in old Celtic mythology, there's so many different types. Some are good. Some bad. Most I guess neither good or bad. But they have a different moral code.Morgan le Faye was sometimes called a fairy.
[Seriously. She could go on like this for hours. Luckily they reach the waterfall which stops her mid-sentence. She actually stops walking just to get a good look.]