>but above all fiction has to be entertaining

As Neil Postman points out in Amusing Ourselves to Death that is an artifact of modern mass media. In the Abrahamic traditions idolatry and an aversion to imagery exists exactly for this reason, because it leads to a culture in which people cease to be able to distinguish how something appears from what it's supposed to point to.

They aren't unrelated at all. People like Musk or Zuckerberg are the way they are, because they grew up in an environment that disregards the moral, intellectual, religious and even aesthetic dimensions of fiction (or non-fiction) and are effectively overgrown toddlers as a result, and in that they're just like most people now, except with more power.