Resharing this @whstancil.bsky.social post from Twitter bc it's exactly right. We treat it as normal because the people whose job it is to warn of us things have decided it's normal

I think Will is right. When the media decided that questions Biden’s age and fitness were a pressing issue, it drove coverage and op-eds. Initially, it didn’t have much effect, but after several weeks of it, Biden’s polling started to tank to the extent that he decided to exit the race.