The link should be changed to the publisher‘s page where the pdf is linked.
"I'm allergic to WiFi."
"No, you're not. Nobody is allergic to WiFi."
"Yes, I am. Here's an official PubMed citation: https://www.ncbi.nlm.nih.gov/pubmed/26372109 . Why do you hate science?"
The paper you linked admits that there are studies that show it's the same as a placebo. Just because most people aren't qualified to realize that the studies in the first half of the sentence might be more reliable than the studies in the second half doesn't mean the paper shouldn't be published.
This strategy is meaningless in terms of scientific value, but it certainly sounds authentic enough to non-specialists.