Well we already know that the very few climatologists who deny global warming have connections to the oil industry.
Might we find some of the pro vaping studies are connected to the tobacco industry?
And some of the anti electric car articles/studies are connected to the oil industry?
Fracking is good for you --- oil industry?
And surgeons who study the effectiveness of implants connected to the surgical supply industry?
And doctors who tour the country promoting certain drugs connected to the drug industry?
My point is is that we already know this stuff, what we need to know is who is doing what and who pays for them?
After reading this article, this study was based upon self reporting. Self reporting is a great technique to help you design a study to study a problem. It is a horrendous way to draw conclusions.