People said all kinds of nonsense about comic books and cheap novels leading kids astray in the past. What actually happened is those kids ended up being slightly better readers.
That you don't like something doesn't mean it's actually harmful.
People said that comic books and pulp novels were morally harmful and caused juvenile delinquency, which is indeed nonsense. However that has nothing to do with the quality and depth of the writing so your post is irrelevant.
That you don't like something doesn't mean it's actually harmful.