You make several good points. There seems to me a longstanding conflict between art and commerce, so business interests are what can distort any artform and different kinds of writing to different degrees. The question is whether the point of producing art clashes with the interest in selling something and earning a living. I talk about that more in the article below:

https://medium.com/an-idea/why-art-shouldnt-be-bought-or-sold-e5e47888b3bc?sk=12757e891b29bb9d21f64c174187cdbe