Well, there's a bunch of coronaviruses out there. Most of them don't cause dangerous pandemics. Ergo, the behavior of "typical" coronaviruses probably shouldn't be used as a gauge. Distribute "typical" behavior widely, and you may get people making assumptions that don't hold, and we increase the problem.It's like the usual news, health, and government agencies all decided "nobody would be interested in any of that.". (Or "COVID-19 is so new and special that nothing else applies."