Another well-researched article. While Google has not disclosed its algorithms, Google does not sell search result placements. The advertising that appears on Google based on search queries is clearly marked as such and visually completely separated from the search results. There's really nothing to criticize about that. Nevertheless, the article criticizes that selling search results would be a lucrative business for Google.
Do journalists even bother to research anything anymore?
At tagesschau im Internet you can find the original article.