This is not my area of expertise, so just take my words with as much weight as of any random John Doe...
I agree that panicking is not a good response (is it ever?), and that it helps to keep a positive mindset. That being said, being overly optimistic and acting based on a "best case scenario" model can potentially lead to catastrophic results.
Numbers might not be biased, but which numbers are used and how they are presented can certainly be a source of bias. This doesn't mean people are being deceptive or manipulating, but I'm just speaking about the fact that we all have our own ideas and hypothesis and can select information in ways that will tend towards an answer which might or might not be right (myself included).
Here's the two main points i'd like to comment on:
1- The author claims quarantine is too late, with small or no benefits. First, I don't think he presented any data that really backs up such claim. How is he measuring the benefits here? There is plenty of science behind social isolation measures during a pandemic, both from a theoretical side as well as from a practical point, for example when you compare how different levels of social distancing measures effected different states during the spanish flu (
Markel, H et al 2007). I think it is dangerous to spread the idea that social distancing is unnecessary given the data is pretty clear. In this case I think we much better err on the side of caution and do as much strict distancing as possible.
2- He uses his mathematics to show CFR(IFR) is, according to his model, 0.06%, with a very high R0. This is NOT what the antibody tests have been showing though, for example recently in New York the governor
released preliminary numbers by doing antibody testing in random population to see how many really got infected, and it seems around 20% of the people in NYC got infected, bringing the IFR to 0.63%, 10x higher than the author of the article in the OP said. This is still preliminary data based on 3000 random people but it gives very good clues. Spain is starting next week a large antibody test with 90.000 random people to see how the numbers are here, and more countries are joining suit.
Here is another interesting article discussing the calculation of IFR
Lastly, I just want to say that time will tell, we just have to wait and see, but in the meanwhile let's try to keep a positive mind, follow social distancing as much as possible, and just hope that a solution comes soon and that there is some good coming out of this, like changing our unsustainable system and the things we constantly take for granted .