https://onezero.medium.com/the-largely-untold-story-of-how-one-guy-in-california-keeps-the-worlds-computers-on-the-right-time-a97a5493bf73
Well worth the read.
That was a good read. The Tom Scott video he linked is one of the first of his I saw, and still my favorite. Time is hard.
-Otanx
I have tons more respect for the people involved in NTP work.