Everyone here seems to be missing the 'essence' of the study and article. Do these conspiracy theorists influence global pandemic policy? Do flat earther conspiracy theorist affect global climate change policy?
That's what the article and the 'study' is ultimately implying. That lonely conspiracy theorist flat earthers are controlling global policy.
Some think reptilians are controlling the world. Nature and these 'researchers' think that lonely conspiracy theorists living in their mom's basements are secretly controlling the world.