When it comes to using a brand name in a negative light, authors walk a very fine line. Brand “tarnishment” is vaguely analogous to defamation, and disparaging use of a brand name is often easier to find as publishing moves to the ebook and audiobook formats.
Read more on this topic from the following article I discovered:
This is quite an important thing for those of us who write satire or other fiction. But if, as the article above says, “Brand names should be reserved for describing that particular product or service offered by the company,” then, one might ask: how to avoid tarnishing trademarks? What other strategies are available?
The article gives one idea: Read more Careful About Brand Tarnishing: (Sci-fi Parodies Included)