The linked article is an interview with the journalist who leaked the documents discussed in the Vice and Gizmodo articles. I think this story is intended to be a continuation of the discussion on the original story.
Okay that is not particularly clear to me from the article and it's doing a disservice to the overall discussion then, imo. They should at least be linking to the original articles then to give context on that fact.
The reason I went looking for the Vice article in the first place was due to what was said in the first paragraph of the article:
>According to documents, Amazon reportedly runs a surveillance program to track activism among its workers. NPR's Ari Shapiro talks with Lauren Gurley of Motherboard magazine, who broke the story.
I'll fully admit I gloss right over the names of journalists typically in favor of reading the content of the article, though had I read that I still would have had to search for the story much like you did. I can take two things away here, I should slow down when reading an article and this article should still be more obvious about the work they're discussing.