Why did US FED say the unemployment rate was more likely to be 10% instead of the official 6.3%?

https://www.nytimes.com/2021/02/22/business/economy/unemployment-rate-covid.html

We had already explained the paradox of the unemployment rate below.

http://sg-stock.blogspot.com/2017/08/economic-101-dont-let-unemployment-rate.html

Therefore, we always tell our viewers not to look at the headline number per se but to look at the details (sub-components) because the devil always lies in the details.