Earlier quoted context omitted.
> The current best science answer to how many people remain susceptible to infection is "nobody really knows but our best guess is not to assume the best case without better evidence so act like the worst case". Absolutely not. The scientific approach is to look at the new disease and see how it compares to other similar RTIs. For instance, covid19 was discovered around October at the start of the seasonal flu season…
You have no cause to sound as confident as you are. You're completely wrong in the first paragraph in a way that shows you don't understand the first thing that you are talking about. For example, you say " For instance, covid19 was discovered around October at the start of the seasonal flu season in the northern hemisphere and it was a coronavirus, which makes it 95% likely to be strongly seasonal, highly infectious…
The most recent phylogenetic analysis on 7000+ viral sequences from isolates points at the end of October as a possible date.