You are assuming that it is objectively true that "Harry Potter is better than Ulysses, AC/DC is better than Carla Frey". What is your basis for that? And what is your definition of "better"?
I get the point you're trying to make, and in some philosophical sense you're right. In reality though, people into a field are able to rank quality extremely well and it doesn't end up being the puzzle you're implying it is
