In my experience, people simply don't care. If the headline is juicy enough and is something they very much want to be true, they share it and reshare it on social media without bothering to examine the source, much less the content. Worse, a lot of these people have a distrust of "mainstream media" and professional journalists. They seem to have this notion that all journalists are part of some global media conspiracy to just make stuff up (though no one seems to know what the actual motives are for this supposed conspiracy), so they trust some dimwit blogging from his mom's basement who claims he has "inside sources" that no major media organization has. That's what we're dealing with here in the U.S.