Sure, gravity sucks, and a lot else in this existence besides! I'm not sure about bringing religious concepts into it like good and evil (although maybe I implied that, without me knowing it).
I think you can look at all of the things in nature and have some deep reservations. Although 'the spontaneous existence of things as they are, in theselves' carries a different meaning to natural phenomena and process in the physical, material sense of the word. Maybe there are two different natures being spoken of here, I don't know?
But the natural world and the physical body seem increasingly flawed or suspect to me these days, especially in my own practice which is getting less rewarding. Why aren't we allowed to judge nature? We're a part of it, but there's undeniably pain and suffering in nature! (Perhaps 'discern' or 'contemplate' is a better word than 'judge').
Thanks for the replies, just trying to work things through as I go along.