This twitter thread was linked to on (I think) the Lisa Nandy thread
twitter.com/TwisterFilm/status/1229539824031485952
Lots of interesting clips on there.
There is a video quite a long way down it on social conformity, which I found really interesting and which I think goes some way to explaining what has happened in our universities. The pressure to conform to group think can be incredibly strong, which is why opposing voices are so very important.