Critical thinking means becoming aware of your thinking process. its a human trait that allows us to step outside what we read or write and ask ourselves. Sometimes our thinking is very abstract and becomes clear only through the process of getting thoughts down in words. As a character in E.M. Fosters Aspects of the Novel said, "How can I tell what I think till I see what I say? did you really write what you meant to, and will it be easily understood by reader? Successful writing forms a relationship with the audience, reaching the reader on a deep level that can be dynamic and motivating. In contrast, when writing falls to meet the audiences expectations, you already know the consequences : they all move on.
Excellent business writing can be inspiring, and it is important to not lose that sense of inspiration as we deconstruct the process of writing to its elemental components.