On 12/21/19 17:22, Greg 'groggy' Lehey wrote (in part):
On Monday, 16 December 2019 at 11:33:32 +1000, Robert
Brockway wrote (in part):
The author seems to have taken some care to get
decent data sources.
https://www.youtube.com/watch?v=Og847HVwRSI Interesting overview, but I have my
doubts about its accuracy.
The author does not explicitly cite his sources.