This is tangential but this channel frustrates me to no end. They shamelessly rip other people's content, stripping their videos of author information, conference information etc, AND add their own title card so that it appears like they are the publishers of the video. Why is this acceptable!
Anyway, here is the original source [1], that this time was NOT in their video description.
[1] https://www.youtube.com/watch?v=iGOAQli7tGc
And this is the last time I commented about this channel [2]