Inconsistency in US Covid data

The official number of fatalities in recent weeks says that things are worse than in the Spring:, e.g. see the curve of daily deaths here:

www.worldometers.info/coronavirus/country/us/

the curve of weekly death here (not worse than in the Spring, but almost as bad):

covid.observer/us/

versus excess mortality here (not nearly as bad than in the Spring):

www.cdc.gov/nchs/nvss/vsrr/covid19/excess_deaths.htm

WTF?

"A quick tour of what you missed at the NeurIPS 2020 AI conference"

www.zdnet.com/google-amp/article/a-quick-tour-of-what-you-missed-at-the-neurips-2020-ai-conference/

Some of the things mentioned there are available without registration, e.g.

neurips.cc/virtual/2020/public/tutorial_877466ffd21fe26dd1b3366330b7b560.html

'Also Monday, a tutorial on reasoning brought together three complementary presentations by Francois Chollet and Christian Szegedy of Google, and Melanie Mitchell, the Davis Professor at the Santa Fe Institute.

Chollet made the case that abstraction is key to intelligence. [...]

[...]

"If you want to know how AI will operate in the future," said Chollet, "I think you should just look at how human engineers operate today."

[...] '