Among the various considerations over the coronavirus one we really do need to add to the mix.
Decisions about what to do are being made by small groups of people. And it’s easy enough for small groups to get caught up in a spiral of ever more extreme words and actions. This being one of the manifestations of groupthink.
No, I do not say this is the explanation for all. But I do say that it explains at least the appearance of some of what is going on.
The cure for groupthink is opening up the decision making group to others. From outside the previously exclusive group.