Here is why anyone is allowed to write a book despite the outcry from traditional publishing. It’s why a market full of substandard books doesn’t destroy anything.
Let’s use something entirely different as an analogy.
Let’s say somebody wants to open a new restaurant in town. The other 10 restaurateurs suspect the new chef doesn’t know what they’re doing.
Does that give them the right to prevent that restaurant from opening? I think not.
Let’s go extreme.