&gt; The heavy downvoting of the GP, which was a well-written, thoughtful comment, demonstrates a close-mindedness and refusal to engage with (or even consider) ideas which one disagrees with<p>You could also have a well-written, thoughtful comment about how vaccination is a Government mind-control device - I suspect it would be no more welcome than one suggesting the biblical genesis story contains the truth about chromosomes.<p>Many of us <i>have</i> engaged with these ideas, found them wanting, found their advocates to be essentially unmoved by reason, and now are happy enough filtering them out.<p>(I am also happy enough being filtered out, as it happens)