For policy makers to earn the respect and attention of the average Joe, to impart important and scientifically sound information. If they're so bad at the job that they can't refute the ideas of Covid flat-earthers, maybe nobody should be listening to what they have to say anyway.
The real issue is that the media and many authorities have squandered their trust and political capital. And now instead of building that up they want to substitute authoritarianism and censorship.