> Why is the general feeling that something has to be not created to be real, while creation is the only thing anything we see is real?
At a guess: because the word "artificial" has picked up connotations of "fake"? It's not just a neutral word cognate to artifact, i.e. something manmade. For example, artificial flowers are distinguished from "real" flowers, not just having come to be through man's effort instead of natural processes, but in fact completely different articles - cunningly shaped bits of plastic made to deceive the viewer. So a term that in principle just tells you how something was created is also taken to carry information about whether it's real, and our understanding of what is real has become linked to our knowledge of its creation - even when that term itself isn't used.