It goes well beyond &quot;unpopular ones tend to get downvoted.&quot;<p>There are people who, having posted something &quot;controversial&quot; only because it bucks a common fallacy or &quot;political correctness&quot;, will enlist all of their social media candidates to downvote someone who dared disagree with them... even if only via pointing out factual fallacies with objective references.<p>I took a 50-point hit once on one posting simply by posting objective references that challenged (actually, <i>disproved</i>) a political rant.<p>Like any form of &quot;social media&quot;, it&#x27;s partially a popularity contest.