Cuz social media amplifies (and provides a feedback loop) for those stories, while also fragmenting audiences into like-minded groups that aren't too tolerant of debate.
I tried, but she couldn't hear me over the media fawning over her testimony a few weeks ago in which she basically admitted to lying. She had a rough summer, but the media flirtation with her opponents is waning. Soon they will pivot back to presenting her as the inevitable, moderate/reasonable/"progressive" Rock of Ages.