What does the author of"on writing well" feel the students have learned about writing

The author feels that students have learned is that writing is a personal task. Each of the writers have different style and technique of writing and perusing the readers. There is no one way that can be defined as the right way, as distinct ways have distinct characteristics and is unique in its own sense. The different ways of writing depends on different factors and these factors justifies the style and the way of writing and conveying the message to the readers.