Earlier quoted context omitted.
It was crazy to see suggestions to wear masks or claims that covid was airborne getting "fact-checked" by the media only to reverse their position months later after WHO put out new statements. In particular, the phrase "no credible evidence" was wildly thrown around without mentioning whether there were any credible high-powered studies that had even attempted to find evidence of the phenomenon.
With hindsight we can see their mistakes but isn't following the expert line the best thing to do in an uncertain situation?
Sure as a general rule, but that doesn't render those experts free from criticism when they make mistakes. That low confidence scientific hypotheses were treated as high confidence scientific results is a valid critique of expert interaction with the general public, as it led to search engine censorship of objectively true information.