Earlier quoted context omitted.
A potentially very effective propaganda tool.
You mean like planting an article into the results for a certain search query, then manufacturing a (news)event that causes someone to want to research that particular subject?
I just want to clarify that I did not find this ResearchGate article by googling for dexamethasone. I hadn't heard of that until now! I found a link to this article on the front page of a certain news site, and thought the fine people of HN would enjoy it.