Flip side of that is Mother Nature also made the doctors who made it possible for them to live. We can’t view the doctors as some outside force.
It is something I've read many times and get something new every time I read it. Given the context of this thread, I'm not sure I could recommend a more salient book.
Self-reflexion is the ultimate unnatural act which is (almost if not) completely unique to our species, and it's not to hard to argue not entirely ubiquitous within us.