They are monsters. Sometimes they are. Why it has to be a shape when we even don't want to put a shape or a form on things? Eventually there is a form. We live in a designed reality where by deliberated design, by thinking, by acting, we transform what surround us, by necessity, by being with nothing better to do. The same is for evolution, if its directed, if its not, doesn't matters. Nature design and so we design, with the same parameters, with similar ones or by no means