Any recommended fact-rich YouTube documentaries?

I love this guy

https://www.youtube.com/@Techmoan

and also

https://www.youtube.com/@BattleshipNewJersey

PBS Frontline episodes are interesting, and available on YouTube.

Summoning Salt does speedrunning history videos that fit what you’re looking for.

Adam Curtis documentaries (e.g., Century of Self[1], All Watched Over by Machines of Loving Grace[2], HyperNormalisation[3])

[1]https://youtu.be/eJ3RzGoQC4s

[2]https://youtu.be/I6EBpLfLHCA

[3]https://youtu.be/VzqDMnUG4kk