Since science is simply a way of looking at things, anyone can talk about the value of the aproach or give thier opinion on it.
No, it isn't "simply a way of looking". Science involves careful measurement and testing. It is not just looking, it is knowing what you are looking at by means of rigorous examination of data.
A theory is simply an "educated" guess.
No, a theory is not an "educated" guess. A theory brings with it new concepts, new ways of understanding, new ways of investigating.