I didn't understand the segue from author's meeting with Vitra to the main story about Amazon.
Therefore, CH brought in Guy Vidra with a directive to make profits.
Criticizing Amazon about the Hachette negotiations triggers Amazon to pull advertising dollars. This conflicts with making profits. (Which points back to why Vidra was brought in: make the magazine profitable.)
Literally the 3rd line of the article.
But, he appears to still have his job. So perhaps that part was a bit exaggerated?
Edit: Apparently, he was fired, but didn't change his LinkedIn profile to note that. That's odd, especially since your current job shows up in the byline on these posts.