I actually object to the word "natural" as they use it in the article. It seems in context to mean "things that aren't man-made" which is only accurate in a re

I actually object to the word "natural" as they use it in the article. It seems in context to mean "things that aren't man-made" which is only accurate in a really broad sense. Deer flies are natural, for example, but I'm pretty sure that's not what the author means. How relaxing would that walk through the arboretum be if you had to spend the whole time swatting insects?