Nothing is harmful to literature except censorship, and that almost never stops literature going where it wants to go either, because literature has a way of surpassing everything that blocks it and growing stronger for the exercise.
It's just easier to talk about product attributes that you can measure with a number. Focus on price, screen size, that's easy. But there's a more difficult path, and that's to make better products, ones where maybe you can't measure their value empirically.