They're perhaps downvoting because what was described was "studies" (not "the citation"), that were about credibility and uncertainly generally, and it's safe t

They're perhaps downvoting because what was described was "studies" (not "the citation"), that were about credibility and uncertainly generally, and it's safe to assume they weren't conducted in the past 4 months and have nothing to do with covid vaccines, but you jump in with "well your study means nothing to me unless it was conducted in the past two months and already peer reviewed and published" which is not how it works.